nso stage 2 class 8

1

Class 8 |

MENTAL ABILITY
1.

There are six houses in a row. Mr. Lal has Mr. Bhasin and Mr. Sachdeva as neighbours. Mr. Bhatia has Mr. Gupta and Mr. Sharma as neighbours. Mr. Gupta's house is not next to Mr. Bhasin or
Mr. Sachdeva and Mr. Sharma do not live next to Mr. Sachdeva. Who are Mr. Bhasin's next door

neighbours?
(A) Mr. Lal and Mr. Bhasin (C) Mr. Sharma and Mr. Lal

2.

If xa = yb = zc and y2 = zx, then the value of

(A)

3.

If (a2 + b2)3 = (a3 + b3)2 and ab ≠ 0, then  a + b 

b a 

64 a6 + b6 (B) (A)
729
a3 b3

b 2

(B)

(B) Mr. Lal and Mr. Sachdeva
(D) Only Mr. Lal

c 2

1 1 is ________.
+
a c
2
(C) b
6

(D) 2a

is equal to _______.
(C) 1

(D)

a 6 + a3 b3 + b 6 a2 b 4 + a 4 b2

4.

Choose the correct water image of the given words/numbers from amongst the options.

(A)

5.

Select a figure from the options which will continue the series established by the Problem

5Y P 3T

(B)

2

T3P2Y5
(C)

(D)

5Y2P3T

5Y2P3T

Figures.

6.

(A)

(B)

(C)

(D)

In a bangle shop, if the shopkeeper displays the bangles in the form of a square, he is left with 38 bangles. If he wants to increase the size of square by one unit each side of the square he found that 25 bangles fall short of in completing the square. The actual number of bangles which he had

with him in the shop was _______.
(A) 1690
(B) 999

7.

PQRS is a square, 4 equal circles are just touching each other whose centres

(C) 538

(D) Can't be determined

are the vertices P, Q, R and S of the square. What is the ratio of the shaded 8.

to the unshaded area within square?
5
8
3
(A) (B) (C) 11
11
11

(D)

6
11

` 100000 was invested by Mohan in a fixed deposit @ 10% per annum at CI. However, every
year