Mathmetics

ISBT Mathmetics for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams

Q241.

If A: B  = 5 : 6  and  B : C = 4: 5 , then A: C  is equal to -

1)	2:3	2)	4:5
3)	3:4	4)	6:7
5)	None of these

Q242.

Salaries of A and B are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is B's salary ?

1)	Rs.17,000	2)	Rs.20,000
3)	Rs.25,500	4)	Rs.38,000
5)	None of these

Q243.

In a mixture of 60 liters, the ratio of milk and water 2 : 1. How many liters of water must  be added in to the mixture so that the ratio became 1 : 2 ?

1)	20 litres	2)	30 litres
3)	40 litres	4)	60 litres
5)	None of these

Q244.

Two numbers are respectively 20% and 50% more than a third number. What is the ratio of the two numbers ?

1)	2 : 5	2)	3 : 5
3)	4 : 5	4)	6 : 7
5)	None of these

Q245.

What is the sum of two consecutive even numbers, the difference of whose squares is 84 ?

1)	24	2)	38
3)	42	4)	48
5)	Non of these

Q246.

A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. What is the number ?

1)	235	2)	253
3)	273	4)	352
5)	None of these

Q247.

A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. What is the number ?

1)	18	2)	24
3)	42	4)	81
5)	None of these

Q248.

A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by-

1)	3	2)	5
3)	10	4)	11
5)	None of these

Q249.

The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2  ?

1)	4	2)	8
3)	12	4)	14
5)	None of these

Q250.

What will be remainder when (6767 + 67) is divided by 68 ?

1)	1	2)	53
3)	66	4)	67
5)	None of these