1) (0.782)² – (0.218)² = ?
a) 0.564
b) 1.128
c) 1.0
d) 2.256
e) 1.692

2) √√6.5536 = ?
a) 3.6
b) 3.3
c) 2.8
d) 2.6
e) 1.6

3) 783.58 + 102.93 – 41.12 – 9.75 = ?
a) 785.24
b) 835.64
c) 885.14
d) 912.84
e) None of these

4) 85943 – 71206 + 37517 – 3512 + 119 = ?
a) 48861
b) 47641
c) 47929
d) 48781
e) 49101

5) (84)² – (44)² = (?)²– 8²
a) 164
b) 68
c) 72
d) 76
e) 80

6) Average cost of 8 pens and 5 pencils is 25. While the average cost of 4 pens and 7 pencils is `21. What is the total cost of 18 pens and 18 pencils?
a) 586
b) 834
c) 1112
d) 724
e) None of these

7) The radii of the bases of a cylinder and a cone are in the ratio 3 : 2, whereas the heights of the cylinder and cone are in the ratio 2 : 3. Their volumes are in the ratio
a) 1 : 1
b) 3 : 2
c) 9 : 4
d) 9 : 2
e) None of these

8) 72 litres of a mixture of milk and water contains 18% of water. How much water must be added to make the water 28% in the mixture?
a) 10 lit
b) 5 lit
c) 15 lit
d) 12.5 lit
e) None of these

9) A Lieutenant wishes to draw up his 1688 soldiers in the form of a solid square. After arranging them, he found that some of them are left over. How many are left?
a) 6
b) 5
c) 8
d) 9
e) None of these

10) A sales boy’s terms were changed from a flat commission of 7% on all his sales to a fixed salary of 500 plus 5% commission on all sales exceeding 5000. If his remuneration as per the new scheme was 50 more than that in the previous scheme, then find his total sales in term.
a) 12000
b) 10000
c) 15000
d) 12500
e) None of these