Question

of water is required to fill the tank completely?
(A) 505
(B) 55 (C) 550
(D) 200
B. A shopkeeper sells ball pen at 12 each or a packet of 5 for 50. How
much minimum will it cost to purchase 23 ball pens?
(2017)
(A) 3236 (B) 3276 (C) 250 (D) *230
) A fish tank can hold 45 litres of water when filled to the brim. It is filled.
If of the water is removed, how much more water must be added in order
to fill the tank to the brim ?
(2018)
(A) 12 litres (B) 20 litres (C) 33 litres (D) 35 litres
4
9
4
NAVNEET JAWAHAR NAVODAYA VIDYALAYA ENTRANCE TEST DIGEST​

Answer 1

Step-by-step explanation:

Total capacity of tank = 45lt

It is 4/9 filled = 4/9(45) = 20 lt

Now 2/5 water is removed= 2/5(20)

= 8lt

Remaining water = 20 - 8 = 12lt

Now

To fill it to the brim = 45- 12 = 33lt

I.e 33lt more water needs to be added