Question

1 The ratio of LCM and HCF of the least composite and the least prime numbers is (a) 1:2 (b) 2:1 (c) 1:1 (d) 1:3
2 The value of k for which the lines 5x+7y=3 and 15x + 21y = k coincide is (a) 9 (b) 5 (c) 7 (d) 18
3 A girl walks 200m towards East and then 150m towards North. The distance of the girl from the starting point is (a)350m (b) 250m (c) 300m (d) 225
4 The lengths of the diagonals of a rhombus are 24cm and 32cm, then the length of the altitude of the rhombus is (a) 12cm (b) 12.8cm (c) 19 cm` (d) 19.2cm
5 Two fair coins are tossed. What is the probability of getting at the most one head? (a) ¾ (b) ¼ (c) ½ (d) 3/8
6 ∆ABC~∆PQR. If AM and PN are altitudes of ∆ABC and ∆PQR respectively and AB2 : PQ2 = 4 : 9, then AM:PN = (a) 16:81 (b) 4:9 (c) 3:2 (d) 2:3
7 If 2sin2β – cos2β = 2, then β is (a) 0ᵒ (b) 90ᵒ (c) 45ᵒ (d) 30ᵒ
8 Prime factors of the denominator of a rational number with the decimal expansion 44.123 are (a) 2,3 (b) 2,3,5 (c) 2,5 (d) 3,5 1
9 The lines x = a and y = b, are (a) intersecting (b) parallel (c) overlapping (d) (None of these)
10 The distance of point A(-5, 6) from the origin is (a) 11 units (b) 61 units (c) √11 units (d) √61 units
11 If a² = 23/25, then a is (a) rational (b) irrational (c) whole number (d) integer​

Answer 1

Answer:

1. b

2.a

3.b

4.d

5.a

6.d

7.b

8.c

9.a

10.d

11.b

bhi bodes ke tayare chal rha ha ?

Step-by-step explanation:

ples mark me brilliant