37
Q:

# A tank is 2/5 full. If 16 litres of water is added to the tank, it becomes 6/7 full. The capacity of the tank is:

 A) 28 litres B) 32 litres C) 35 litres D) 42 litres

Explanation:

Let the capacity of the tank be x litres.

Then, (6x/7 - 2x/5) = 16 <=> 30x - 14x = 16*35 <=> x = 35

Q:

If

 A) 30° B) 90° C) 60° D) 45°

Explanation:

7 1481
Q:

The value of

 A) 5 B) 0 C) 2-22 D) 2

Explanation:

3 6069
Q:

Solve the following

113 × 87 =?

 A) 9831 B) 10026 C) 10169 D) 10000

Explanation:

1 5190
Q:

In ΔABC measure of angle B is 90 deg. If tanA = 12/5, and AB = 1cm, then what is the length (in cm) of side BC?

 A) 2.6 B) 2.4 C) 1.5 D) 2

Explanation:

2 927
Q:

ΔXYZ is right angled at Y. If m∠X = 60 deg, then find the value of (cotZ + 2)

 A) (2√2+1)/2 B) √3+2 C) (√6+1)/√3 D) (2√2+√3)/2

Explanation:

0 6367
Q:

If ,then which of the following is correct?

 A) a=2197 B) a>2197 C) a<2197 D) a<1728

Explanation:

1 4721
Q:

Find the number of solutions a pair of linear equation (4x-9y+13=0 and 2x+3y-13=0) have.

 A) 1 B) 2 C) 10 D) infinite

Explanation:

2 3672
Q:

Find the area (in sq units) of the triangle formed by lines x - 3y = 0, x – y = 4 and x + y = 4.

 A) 1 B) 2 C) 3 D) 4