1. Which of the following numbers of divisible by 33

[a] 1333

[b] 1375

[c] 2133

[d] 2145

2. The sum and product of two numbers are 13 and 40 respectively. The sum of their reciprocals is:

[a]

^{1}/

_{40}

[b]

^{4}/

_{40}

[c]

^{13}/

_{40}

[d]

^{30}/

_{40}

3. Difference between two numbers is 6 and difference between their squares is 180. Find the sum of two numbers.

[a] 30

[b] 32

[c] 34

[d] 36

4. The sum of two numbers is 18 and their product is 72. The smallest number

[a] 5

[b] 6

[c] 7

[d] 8

5. Find the least positive number which when added to 962 will make it a perfect square

[a] 64

[b] 127

[c] 62

[d] 95

6. There are 3 numbers. The product of the first and second is 700. The product of second and third is 480. The product of first and third is 840. Find the numbers.

[a] 25, 20, 34

[b] 42, 20, 24

[c] 70, 10, 48

[d] 35, 20, 24

7. The denary number equal to (1011)

_{2}

[a] 10

[b] 11

[c] 8

[d] 12

8. What are the last two digits of the number 7

^{45}.

[a] 07

[b] 23

[c] 49

[d] 43

9. What will be the least number which when doubled will be exactly divisible 24, 18, 21 and 10

[a] 2520

[b] 1260

[c] 630

[d] 5040

10. The smallest perfect square which is exactly divisible by 2, 3, 4, 5 and 6.

[a] 1600

[b] 900

[c] 784

[d] 1800

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