Sol.(2 × 3)3 ÷ (4 × 9)2 × (27 + 8)2 = (6)? Sol. ? = 46×450+84×525−55×880 ⇒ 63 ÷ (36)2 × (216)2 = (6)? 100 ⇒ 63 ÷ (62)2 × (63)2 = (6)? ⇒ 63−4 + 6 = (6)? ⇒ ? = 5 ?=164 894. Ans.(b) is correct 903. Ans.(b) is correct Sol.103.72 Sol. √256 + 320 + 3 × ? = 3×16 4 ? = 32 895. Ans.(e) is correct 904. Ans.(a) is correct Sol.√576 ÷ (4)2 × 7.4 + (7)3– 231 = ? Sol. (−3)4 ÷ 34 = 1 ⇒ 24 ÷ 16 × 7.4 + 343 – 231 = ? 905. Ans.(e) is correct ⇒ 1.5 × 7.4 + 343 – 231 = ? ⇒ 11.1 + 343 – 231 = ? Sol. ? (2.5 − 1) = 48 × 2.5 ⇒ ? = 123.1 or, ? = 120 = 80 896. Ans.(a) is correct Sol. (√3 − 2)2 = ? −√12 − √36 1.5 ⇒ 3 + 4 − 4√3 =? −2√3 − 6 906. Ans.(a) is correct ⇒ ? = 7 – 4√3 + 2 √3 + 6 ⇒ 13 – 2 √3 Sol. 215 ÷ 5 =? −215 or ? = 43 + 215 = 258 897. Ans.(a) is correct 907. Ans.(b) is correct Sol. Sol. 2 1 9 188 30 × 30 × 30 1 3 7 + 4 14 − 14 = ? [ 60 × 24] × 25 = 36 ×? 23 57 9 188 7 + 14 − 14 = ? 432 46 + 57 − 9 188 ⇒ ? = 36 14 = ? ⇒ ? = 12 46 + 57 − 9 188 898. Ans.(c) is correct 14 = ? 94 188 Sol. 14 = ? ? =12,596 – 9690 188 ? = 94 × 14 = 28 = 2906 899. Ans.(b) is correct 80% of 24000 – 16% of 7200 =? – 15% of 2000 = > (80/100)*24000 – 908. Ans.(e) is correct (16/100)*7200 =? – (15/100)*2000 = > 19200 – 1152 =? – 300 = Sol. > 19200 – 1152 + 300 =? = > 18348 =? √15 × 222 − 40%of602 + 19 × 39 = ?2 900. Ans.(c) is correct √15 × 484 − 40% of 3600 + 19 × 39 = ?2 √7260 − 1440 + 741 = ?2 292 + 52 % of 900 – (3/7) of 1750 = x - 113 841 + (52/100)*900 – √6561 = ?2 (3/7)*1750 + 1331 = x X = 841 + 468 – 750 + 1331 X = 1890 81 =?2 901. Ans.(a) is correct ?= 9 909. Ans.(c) is correct ∛35937 + √5184 ÷ 2? – 4/5 of 65 + 52 = 42 33 + (72/2x) – (4/5)*65 + Sol. 25 = 42 (72/2x) = 42 – 33 – 25 + 52 (72/2x) = 36 2x = 72/36 = 2 2x = 21 X = 1 40% of ? + 55% of 360 = 36% of 450 + 102 902. Ans.(a) is correct For Free Study Material & Quizzes visit : www.mathsbyarunsir.com For any queries or suggestions email us @ [email protected] or whatsapp @ 8881331466
2 11 36 (?)² = 2 × 7√8 – 21 + 8 + 49 – 14√8 5 × ? + 20 × 360 = 100 × 450 + 100 = 57 – 21 2 5 × ? +198 = 162 + 100 = 36 ∴ ? = ±6 2 917. Ans.(a) is correct 5 ×? = 262 − 198 Sol. 2652 − 441 + 928 – 1 × 3375 = ? + 961 2 5 ×? = 64 15 ? = 160 2652 − 441 + 928 – 225 – 961 = ? ? = 1953 910. Ans.(b) is correct 918. Ans.(d) is correct Sol. 1 (54)2 Sol. 240 × 300 × 1 = ? + 240 √144 × √324 ÷ 4 (3 ÷ 24) = ? 240 (54)2 12 × 18 ÷ (4 ÷ 72) = ? ? = 300 – 240 54 × 54 × 4 3 ? = 60 ? = 12 × 18 × 72 = 4 = 0.75 919. Ans.(b) is correct 911. Ans.(e) is correct Sol. 5 × 92– 16+? = 101 Sol. 4 34 ÷ 362 × 243 = ?3 2 99+? = 101 ?=2 920. Ans.(a) is correct 34 × 243 × 2 =?3 Sol. 34 × 2 × 31 × 1 = ? −30. 362 ?3 = 1728 31 ? = 12 ? = 68 + 30 ? = 98 921. Ans.(c) is correct 912. Ans.(b) is correct Sol. 101 + 154 + 26 = 281 Sol. 922. Ans.(b) is correct (63)? = 72.3+9.4 × 633.4 × 911.7 Sol. 15.5 × 28 × 1 + 1230 × 1 = ? × 1 = (63)3.4+11.7 ? = 15.1 112 240 5 913. Ans.(d) is correct 31 41 1 Sol. 8 + 8 =?× 5 (?)² = 94,249 – 272 – 26,896 (?)² = 67,081 72 ?= 8 ×5 ? = ±259 ? = 45 914. Ans.(a) is correct 923. Ans.(d) is correct Sol. 9 × ? = 207.27 Sol. 9 × 17 + 13 × 378 – 241 = ? ⇒ ? = 23.03 9 915. Ans.(b) is correct Sol. ? = 153 + 546 – 241 (?)³ = 180 + 156 – 120 = 216 ⇒?=6 ? = 458 916. Ans.(a) is correct 924. Ans.(c) is correct Sol. Sol. 1 × 928– 1 × 980 + 144 × 1 = ? 87 4 116 – 140 + 36 = ? ? = 12 For Free Study Material & Quizzes visit : www.mathsbyarunsir.com For any queries or suggestions email us @ [email protected] or whatsapp @ 8881331466
925. Ans.(b) is correct = 14 933. Ans.(c) is correct Sol. √18 × 8 + 37.5% × 216−? =√1444 − √529 Sol. √144 + 3 × 216− ? = 38 – 23 55 ?× 13 + 100 × 460 = ?× 21 − 227 8 ⇒ 8 × ? = 253 + 227 144 + 81 – ? = (15)2 = 225 ⇒ 8 × ? = 480 ? = 225 – 225 = 0 926. Ans.(d) is correct Sol. ? = 3 ������������ 5 ������������ 2 ������������ 9450 ⇒ ? = 60 934. Ans.(b) is correct 597 Sol. 352 17 90 69 52 = 5 × 9 × 7 × 9450 = 900 ? = 5 × 17 + 13 × 23 927. Ans.(b) is correct = 18 + 12 Sol. = 30 935. Ans.(a) is correct ? = 41 × 4 + 51 × 7 – 4 × 89 Sol. = 521 – 356 = 165 ? × 3 + 198 = ? × 9 – 102 928. Ans.(b) is correct ⇒? = 300 Sol. 6 ? = 209 × 5 + 128 – 768 = 405 ⇒ ? = 50 929. Ans.(e) is correct 936. Ans.(c) is correct Sol. Sol. 56 1 ? = (315+105) × 7 ? = 100 × 250 + 3 × 963 ? = 140 +321= 461 3 930. Ans.(d) is correct Sol. ? = 980 937. Ans.(a) is correct 235 Sol. ? = 5 × 4 × 8 × 1920 = 360 ?² = 395 + 791 – 990 931. Ans.(b) is correct ?² = 196 Sol. ⇒ ? =± 14 26 70 48 33 938. Ans.(c) is correct ? = 7 × 13 + 11 × 16 Sol. = 20 + 9 = 29 √?− 611 + 550 = 19 932. Ans.(a) is correct Sol. ⇒√? = 80 ⇒ ? = 6400 ? = √ 72 × 200 + 111 × 400 939. Ans.(b) is correct 100 3 100 3 Sol. ? = 3735 + 4565 + 6245 − 6432 ? = 8113 940. Ans.(c) is correct Sol. = √196 For Free Study Material & Quizzes visit : www.mathsbyarunsir.com For any queries or suggestions email us @ [email protected] or whatsapp @ 8881331466
? 6 21 ⇒?=0 3 × 7 × 36 × 216 = 36 ?=1 950. Ans.(b) is correct 941. Ans.(d) is correct Sol. ? = 12 + 28 + 36 – 8 Sol. = 76 – 8 = 68 ? = 144 + 111 – 29 – 27 = 199 942. Ans.(e) is correct Sol. 951. Ans.(d) is correct ? = 27 + 87 – 48 + 39 = 105 Sol. (������������ + ������������ + ������������ + ������������) + ( ������ + ������ + ������ + ������ ) = ? 943. Ans.(b) is correct ������������ ������������ ������������������ ������������ Sol. ������������ + ������������ + ������ + ������������ 44 30 ? = ������������ + ( ������������������ ) ? = 100 × 250 + 100 × 270 + 169 = 110 + 81 + 169 ������������ = 360 = ������������ + ������������������ 944. Ans.(a) is correct ? = 9–27+18 = 0 = 0 ������������ = ������������ ������������������ √1444 √1444 952. Ans.(e) is correct 945. Ans.(d) is correct Sol. ������������. ������ + ������������������ − ������������ =? ? = 31 + 2 × 108 × 21 × 27 ? = ������������������. ������ 3 9 36 42 953. Ans.(a) = 31 + 3 = 34 946. Ans.(c) is correct Sol. Sol. ? = 29 + 170 – 115 = 84 5 947. Ans.(d) is correct Sol. ?² = ������������ × ������������������ + ������������ × ������������������ ⇒ 35% ������������ 180 + 182 = (27)3 +?2 ⇒ 63 + 324 = 243 +?2 ������������������ ������������������ ⇒ 387 − 243 =?2 ⇒ ?2 = 144 = 168 + 88 ⇒ ? = 12 = 256 ⇒ ? = ± 16 954. Ans.(a) Sol. 948. Ans.(b) is correct Sol. ������������ ×? = ������������������������ 323 357 × 441 − 15 × 21 =? ������������������ 19 × 17 ⇒ ? = 5490 ⇒ 17 × 21 × 441 − 15 × 21 =? ⇒ ? = 19 × 21 − 15 × 21 = 4 × 21 = 84 949. Ans.(a) is correct 955. Ans.(a) Sol. Sol. ������������(?+������) = ������������×������������×������������ ������������������(?+������) ������������������×������������������×������������������ ? = √5125 – 289 – 75 = √4761 = 69 (������. ������)������(?+������) = ������������ = (������. ������)������ ������������������ ⇒ 4(? + 2) = 8 For Free Study Material & Quizzes visit : www.mathsbyarunsir.com For any queries or suggestions email us @ [email protected] or whatsapp @ 8881331466
956. Ans.(e) 961. Ans.(d) Sol. Sol. 2 23(24 + 47– 54) = ������ ������ = 23 × 17 ?3 = 64% ������������ 150 + 7 × 3 − 92 ������ = 391 2 962. Ans.(c) Sol. ?3 = 96 + 21 − 81 6 2 5 × 650 + 320 + 51 = ������ 780 + 320 + 51 = ������ ?3 = 36 ������ = 1151 3 963. Ans.(c) Sol. ⇒ ? = 362 = 216 4 2 8 234 957. Ans.(c) 7 5 − 3 3 + 4 15 = ? Sol. 12 − 10 + 8 234 8 + 15 = ? ?× 4 − 402 = 142 − 36 × 44 ?× 4 = 196 + 402 − (40 − 4) × (40 + 4) 2 234 ?× 4 = 196 + 402 − 402 + 42 = 212 8+3= ? 26 234 212 3= ? ? = 4 = 53 ⇒ ? = 27 958. Ans.(b) 964. Ans(d) Sol. Sol. 96 ? 45 × 80 + √841 + ������ 2 = 2121 ÷ 21 100 × 1050 − 100 × 500 = 998 100 36 + 29 + x² = 101 ? 100 × 500 = 1008 − 998 ������2= 36 ? = 10×100 ������ = 6 500 959. Ans.(c) ?=2 Sol. 965. Ans.(d) 36 + 3������ Sol. 23 + 1 = 52 36 + 3������ + 23 = 52 × 23 1350 3������ + 59 = 1196 ������ × 112.5 = √5929 + √8281 3������ = 1196 – 59 x ×12 = 77 + 91 = 168 3������ = 1137 ������ = 379 ⇒ x = 14 960. Ans.(c) 966. Ans.(b) Sol. Sol. 343 + 175 × 350 = ������ 2 2 100 ������2 = 171.5 + 612.5 ������2 = 784 ������ = 28 For Free Study Material & Quizzes visit : www.mathsbyarunsir.com For any queries or suggestions email us @ [email protected] or whatsapp @ 8881331466
18750 971. Ans. e = 36 × 11 + 59 × 6 √������������������������ ÷ ���√��� ������������������ × 45% of 760 = ? 35 ÷ 7 × 342 = ? √������ ? = 1710 18750 ⇒ = 396 + 354 972. Ans. d ������������������% ������������ ������������������ + ������������������% ������������ ������������������ + ������? = ������������������������ √������ 18750 805 + 187 + ������? = 1000 ������? = 8 = 23 ⇒ √������ = 750 = 25 ?=3 x = 625 973. Ans. e 967. Ans.(e) ������ ������ ������ ������ ������������ ������������ Sol. ������ ������ + ������ ������ + ������ ������ − ������ ������ − ������������ = ? (������ + ������ + ������ − ������ − ������) + (������ + ������ + ������ − ������ − ������������) = 35/? 3������ = 729 × 216 × 72 = 81 243 576 ������ ������ ������ ������ ������������ 3������ = 34 ⇒ ������ = 4 ������������ ������ = ? 968. Ans. b ������������ Q I: ? = ������ x = 5428 = 4 974. Ans. e ������ ������ ������ 1357 ������������ ÷ ������ ������������ ������ + ������ × ������ ������ = ? Q II: ? = ������������ + ������ ? = 14 800 × ������ 750 × 22 100 = 293 − 100 975. Ans. d ? % of 400 + 310% of 60 = 500% of 82 ⇒ 8 × ������ = 293 − 165 = 128 4x + 186 = 410 x = 56 128 ⇒ ������ = 8 = 16 976. Ans. d 759 – 54 × ������ = ? ³ 969. Ans. a Q I: ������ x = 9824 – 8074 = 1750 Q II: 729 = ?������ y = 618 + 31 – 29 = 620 93 = ? ³ ?=9 970. Ans. a 977. Ans. b Q II: 156 + 376 − ? = 13% of 3000 532 – 390 = ? ⇒ 16 × 2.4 × ������ = 288 × 100 ? = 142 288 × 100 978. Ans. e ⇒ ������ = 16 × 2.4 = 750 115% of 4880 – 85% of 1640 = 740% of ? Q I: 5612 – 1394 = 7.4x ? = 570 800 × ������ 750 × 22 100 = 293 − 100 979. Ans. c ⇒ 8 × ������ = 293 − 165 = 128 128 ⇒ ������ = 8 = 16 For Free Study Material & Quizzes visit : www.mathsbyarunsir.com For any queries or suggestions email us @ [email protected] or whatsapp @ 8881331466
25 12 85 54 [(32/100) * 250 ] - [(45/100) * 120] = 10 - (?/3) 3 × 5 + ? = 6 × 17 80 - 54 = 10 - (?/3) 26 = 10 - (?/3) ? = 45 – 20 = 25 10 - 26 = ?/3 -16 = ?/3 980. Ans. a ? = -48 (21 – 8) ? (13 - 10) 989. Ans. B 13 ? 3 132 - 24 + 789 ÷ 263 = 46 * ? ÷ 23 So, ? = > => 2 * ? = 169 - 24 + 3 => 2 * ? = 148 981. Ans. a => ? = 74 (54 ÷ 3 of 6 + 9) ? [13 − (12 − 6 ÷ 3) ] 990. Ans. A 12 ? 3 80% of 45 ÷ 12% of 50 + (?) = 18 => ((80/100) * 45) ÷ ((12/100) * 50) + (?) = 18 982. Ans. b => 36 ÷ 6 + (?) = 18 8[1 - {3 + (5 - 6 + 7)}] ? 0.8{0.75 ÷ (1.35 - 0.6)} - 0.8 => 6 + (?) = 18 8(-8) ? 0.8 – 0.8 or, (?) = 12 -64 ? 0 991. Ans. E 983. Ans. b (76 + 24 x 5 - 11 x 8) ÷ 4 + √144 = ? (37 - 6 × 4 + 32 ÷ 8) ? (64 - 48 ÷ 6 × 4 + 8) => (76 + 120 - 88) ÷ 4 + 12 = ? (41 – 24) ? (32 + 8) => 108 ÷ 4 + 12 = ? 17 ? 40 => 27 + 12 = ? or, ? = 39 984. Ans. b 992. Ans. B (12 + 4 - 8 ÷ 2 × 3) ? (7 - 5 + 14 ÷ 2 + 6) (12 + 4 – 12) ? (20 – 5) (3214 + 886 - 1073 - 1731)1/4 + (?) = √361 4 ? 15 => (4100 - 2804)1/4 + (?) = 19 => (1296)1/4 + (?) = 19 985. Ans. b => (36 * 36)1/4 + (?) = 19 (16 + 8 ÷ 4 − 2 × 3) ? (15 + 5 ÷ 5 × 2) => (6 * 6 * 6 * 6)1/4 + (?) = 19 (16 + 2 – 6) ? (15 + 2) => 6 + (?) = 19 12 ? 17 or, (?) = 13 993. Ans. D 986. Ans. a √1225 + √5776 - √3249 = √? + √1024 (2450 ÷ 7 + 112 × 2.5) ? ������of 441 ÷ 18 + 14 => 35 + 76 - 57 = √? + 32 => √? = 54 - 32 ������ => ? = 222 => ? = 484 630 ? 266 994. Ans. D 56% of 3150 - 130% of 630 = 900% of ? 987. Ans. A 126 ÷ 14 * 9√2 - √72= ?√2 9 * 9√2 - √72= ?√2 81√2 - 6√2 =? √2 75√2 =? √2 75 = ? 988. Ans. E 32% of 250 − 45% of 120 = 10 - (?/3) For Free Study Material & Quizzes visit : www.mathsbyarunsir.com For any queries or suggestions email us @ [email protected] or whatsapp @ 8881331466
=> 1764 - 819 = 9 * ? 999. Ans. D => ? = 945/9 11 x ? x 23 = 572 + 2570 => ? = 105 253 x ? = 3249 + 2570 = 5819 995. Ans. E ? = 5819/253 = 23 78 * 34 ÷ 221 - 121 * 209 ÷ 1331 = ? 1000. Ans. C => ? = 78 * 2/13 - 121 * 19/121 ?% of 480 = 1131 - 90% of 670 => ? = 12 - 19 = -7 ?% of 480 = 1131 - 90 x 670/100 = 1131 - 603 = 528 996. Ans. D ? = 528 x 100/480 = 110 12.5% of 64 + 80% of 25 - ?% of 180 = 19 1001. Ans. B => 8 + 20 -19 = ?/100 * 180 ? = 32(0.16 + 0.04) = 320.20 = 321/5 => ? = 9 * 100/180 Since, 321/5 = 2, ? = 21 = 2 => ? = 5 1002. Ans. D 997. Ans. D (?)2 = 232 + 292 - 1 = 529 + 841 - 1 425 - 68% of 350 + ? = 162 - √2809 = 1369 425 - (68/100) * 350 + ? = 256 - 53 ? = 37 425 - 238 + ? = 203 ? = 203 - 187 1003. Ans. E ? = 16 ?2 = (4 x 80 x ∛125)/(√256) 998. Ans. E = 4 x 80 x 5/16 √(945 ÷ 45 + 12 x 5) - ? = 156 ÷ 39 √(21 + 60) - ? = 4 √81 - ? = 4 ?=9-4 ?=5 = 100 = 102 So, ? = 10 For Free Study Material & Quizzes visit : www.mathsbyarunsir.com For any queries or suggestions email us @ [email protected] or whatsapp @ 8881331466
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