QUESTION_BANK_CLASS_X

(a) (i) (b) (ii) (c) (iii) (d) (iv) Answer: (c) (iii) 12.ABCD is a parallelogram with diagonal AC If a line XZ isdrawn such that XZ ∥ AB, then BX/XC = ? (a) (AY/AC) (b) DZ/AZ (c) AZ/ZD (d) AC/AY Answer: (c) AZ/ZD 13. In the given figure, value of x (in cm) is (a) 5cm (b) 3.6 cm (c) 3.2 cm (d) 10 cm Answer: (a) 5cm 14. △ ABC is an acute angled triangle. DE is drawn parallelto BC as shown. Which of the following are always true? i) △ ABC ∼ △ADE ii) AD/BD = AE/EC iii) DE= BC/2 (a) Only (i) (b)(i) and (ii) only (c)(i), (ii) and (iii) (d)(ii) and (iii) only Answer: (b) (i) and (ii) Only

15. A tower of height 24m casts a shadow 50m and at the same time, a girl of height 1.8mcasts a shadow. Find the length of the shadow of girl. (a) 3.7 5m (b)3 .5m (c) 3.25m (d) 3m Answer: (a) 3.75m 16. If the distance between the top of two trees 20 m and 28 m tall is 17 m, then thehorizontal distance between the trees is (a) 11m (b) 31m (c) 15m (d) (d)9m Answer: (c) 15m 17. A square and a rhombus are always (a) congruent (b) similar but congruent (c) similar (d) neither similar nor congruent Answer (d) neither similar nor congruent 18. A flag pole 18 m high casts a shadow 9.6 m long. Then the distance of the top of the polefrom the far end of the shadow is (a) 25.6 (b) 20.4 (c) 23.7 (d) 32.5 Answer: (b) 20.4 19. Areas of two similar triangles are 36 cm2 and 100 cm2. If the length of a side of thelargertriangle is 20 cm, then the length of the corresponding side of the smaller triangle is: (a) 12cm (b) 13cm (c) 14cm (d) 15cm Answer: (a) 12cm 20. ΔABC ~ ΔPQR. Area of ΔABC = 81 cm² and area of ΔPQR =121 cm². If altitude

AD = 9cm, then PM is equal to (a) 9 cm (b) 11 cm (c) 10cm (d) None of these Answer : (b) 11

REAL NUMBERS 1. The product of a rational and irrational number is (a) rational (b) irrational (c) both of above (d) none of above Answer: b 2. The sum of a rational and irrational number is (a) rational (b) irrational (c) both of above (d) none of above Answer: b 3. The product of two different irrational numbers is always (a) rational (b) irrational (c) both of above (d) none of above Answer: b 4. The sum of two irrational numbers is always (a) irrational (b) rational (c) rational or irrational (d) one Answer: a 5. LCM of the given number ‗x‘ and ‗y‘ where y is a multiple of ‗x‘ is given by (a) x (b) y (c) xy (d) xy Answer: b 6. The largest number that will divide 398,436 and 542 leaving remainders 7,11 and 15 respectively is

(a) 17 (b) 11 (c) 34 (d) 45 Answer: a 7. There are 312, 260 and 156 students in class X, XI and XII respectively. Buses are to be hired to take these students to a picnic. Find the maximum number of students who can sit in a bus if each bus takes equal number of students (a) 52 (b) 56 (c) 48 (d) 63 Answer: a 8. There is a circular path around a sports field. Priya takes 18 minutes to drive one round of the field. Harish takes 12 minutes. Suppose they both start at the same point and at the same time and go in the same direction. After how many minutes will they meet ? (a) 36 minutes (b) 18 minutes (c) 6 minutes (d) They will not meet Answer: a 9. Express 98 as a product of its primes (a) 2² × 7 (b) 2² × 7² (c) 2 × 7² (d) 23 × 7 Answer: c 10. The least number that is divisible by all the numbers from 1 to 5 is: (a) 70 (b) 60 (c) 80 (d) 90 Answer: b

11. The sum or difference of of two irrational numbers is always (a) rational (b) irrational (c) rational or irrational (d) not determined Answer: b 12. The decimal expansion of the rational number 23/(22 . 5) will terminate after (a) one decimal place (b) two decimal places (c) three decimal places (d) more than 3 decimal places Answer: b 13. H.C.F of two prime numbers is (a) 1 (b) 0 (c) 3 (d) 2 Answer: a 14. For any natural numbern, 6n – 5n is always ends with (a) 4 (b) 3 (c) 2 (d) 1 Answer: d 15. If m and n are two odd prime numbers such that m n, then m2 – n2is (a) an even number (b) an odd number (c) an odd prime number (d) a prime number

Answer: a 16. If the HCF of 65 and 117 is expressible in the form 65m – 117, then the value of m is (a) 4 (b) 2 (c) 1 (d) 3 Answer: b 17. The prime factorisation of 96 is (a) 25 × 3 (b) 26 (c) 24 × 3 (d) 24 × 32 Answer: a 18. n² – 1 is divisible by 8, if n is (a) an integer (b) a natural number (c) an odd integer (d) an even integer Answer: c 19. For any two positive integers a and b, HCF (a, b) × LCM (a, b) = (a) 1 (b) (a × b)/2 (c) a/b (d) a × b Answer: d 20. The values of the remainder r, when a positive integer a is divided by 3 are (a) 0, 1, 2

(b) Only 1 (c) Only 0 or 1 (d) 1, 2 Answer: a

कक्षा - दसव ीं ह दंी प्रशनावल

कक्षा - दसव ंी हहन्द बहुहवकल्प प्रश्नावल

हवषय – मुहावरे मुहावरे संबंधधत धनम्नधिखित बहुधवकल्पी प्रश्नं हेतु उधित धवकल्प का ियन कीधिए:- 1. क्या बात है धमत्र ------------हन गए हन, धदिाई ही नहीं देते॰ (ररक्त स्थान की पूधति उधित मुहावरे द्वारा कीधिए) I. रं गा धसयार II. दू ि का िााँद III. धिकना घाा IV. गुदाी का िाि उतर:- II.दू ि का िाँाद 2. ‗हवा से बातें करना‘ मुहावरे का सही अथि है – I. बहुत तेऽ दौाना II. हार िाना III. तनाव ग्रस्त हनना IV. तनाव ग्रस्त न हनना उतर:- I.बहुत तेऽ दौाना 3.बच्नं कन शनर मिाते देिकर धशक्षक महनदय -------- हन गए ॰ (ररक्त स्थान की पूधति उधित मुहावरे द्वारा कीधिए) I. गदगद II. आग बबूिा III. नतमस्तक IV. बेराह उतर:-II. आग बबूिा 4.आाे हाथनं िेना - मुहावरे के सही प्रयनग वािे वाक्य कन िुधनए- I. सदी मंे धडब्बे से िमा घी धनकािने के धिए आाे हाथ करने पाते हैं| II. पुत्र की गिती पर धपता ने उसे आाे हाथनं धिया|