51.

The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19, find the first term:

• 3

• 5

• 7

• 7

What least value must be assigned to '*' so that the number 63576*2 is divisible by 8?

• 1

• 2

• 3

• 4

Which one of the following is the minimum value of the sum of two integers whose product is 24?

• 25

• 11

• 8

• 10

Number of composite numbers lying between 67 and 101 is

• 27

• 24

• 26

• 23

The sum of the series
( 1 + 0.6 + 0.06 + 0.006 +  0.0006 + .....) is

A number, when divided by 114, leaves remainder 21. If the same number is divided by 19, then the remainder will be

• 1

• 2

• 7

• 17

The number 0.121212....... in the form  is equal to

A number when divided by 49 leaves 32 as remainder. This number when divided by 7 will have the remainder as

• 4

• 3

• 2

• 5

The last digit of (1001)²⁰⁰⁸ +  1002 is

• 0

• 3

• 4

• 6

The remainder when 3²¹ is divided by 5 is

• 1

• 2

• 3

• 4