32,

13.

14,

15.

16.

17.

18.

19.

A pipe is filling a tank of 200 litres capacity at 5 litres/hr. Because of a leak
80 hrs more to fill the tank. What is the rate in litres/hr at which water is leaking ?

A tank is full of water. A drain pipe which can empty the full tank in 60 minutes is
opened. 18 minutes later another pipe which can fill the empty tank in 30 minutes is
opened. After how much time in total, is the tank full again ?

In a 500 m race A beats B by 25 m or 5 seconds, what is A's speed 2

A 3-digit number is 11 times the 2-digit number formed by using the hundreds and the

धापा digit of the 3-digit number respectively, in the tens and units place of the 2-digit

number,

(8) If the difference between the digit in tens place and the digit in hundreds place
is 8. What is the digit in the units place ?

(b) From (a) if the difference between the digit in tens place and that in the units
place of the 3-digit number is 1, what is the 3-digit number ?

[5 If the difference between the digit in tens place and that in the units place of the
3-digit number is same as the difference between the digit in tens place and the
digit in hundreds place find the total number of such 3-digit numbers.

The amount used to purchase one litre of petrol can be used to purchase 3 litres of

diesel or 5 litres of kerosene. Out of a certain amount, Rs. 510 is spent on diesel.

{a) How much is spent on kerosene if equal volumes of the 3 liquids are purchased
with the total amount ?

(b) What will be the amount spent on petrol if the total amount is spent to purchase
equal volumes of petrol and kerosene only ?

(9) What will be the total amount to purchase 4 litres of each of the 3 liguids at the
above rate ?

A bag contains coins of four different denominations, viz 1-rupee, 50-paise, 253-paise
and 10-paise. There are as many 50-paise coins as the value of 25-paise coins in
rupees. The value of 1-rupee coins in is 5 times the value of 50-paise coins, The ratio of
the number of 10-paise coins to that of 1-rupee coins is 4:3, while the total number of
coins in the bag is 325.

(a) பஸ many 10-paise coins are there ?

(b) What is the value of 50-paise coins ?

(9) What is the total value of the coins in the bag ?

A train crosses two bridges 430 m and 550 m long in 30 seconds and 36 seconds
respectively. Find the speed of the train in kmph.

A man rows a distance of 12 km in 1 hr in still water and in 80 minutes against the
current. Find the time taken by him to row 45 km with the current and retumn to the
starting point.

156/2016 2