1 .What is the least number which should be subtracted from 0.000326, to have perfect square ?
0.000004
0.000002
0.04
0.02

2 .A wine seller had three types of wine, 403 litres of 1st kind, 434 litres of 2nd kind and 465 litres of 3rd kind. Find the least possible number of casks of equal size in which different types of wine can be filled without mixing
31
44
42
48

3 .The positive square root of [0.6 Ã— 0.6 Ã— 0.6 + 0.4 Ã— 0.4 Ã— 0.4 + 3 Ã— 0.6 Ã— 0.4] is equal to â€“
2.1736
1
0.21736
0.072

4 .The average age of a committee of eight members is 40 years. A member aged 55 years retired and his place was taken by another member aged 39 years. Find the average age of the present committee.
38 years
36 years
39 years
40 years

5 .There are 40 boys in a class and their average age is 16 years. one boy, aged 17 years, l eaving the cl ass and anot her j o i n i n g , t he a v e r a g e a g e be c o me s 15. 875 years. The age of the new boy is â€“
12 years
14.5 years
15 years
17 years

6 .A, B and C three are batsmen. The ratio of the runs scored by them in a certain match are as B : A = 3 : 5 and C : B = 5 : 4. In all they scored 564 runs. The number of runs scored by B is â€“
124
104
114
144

7 .55 litres of mixture has milk and water in the ratio 7 : 4. How much quantity of water must be added in the mixture to get milk and water in the ratio 7 : 6
16 litres
15 litres
12 litres
10 litres

8 .A, B and C enter into a partnership. A contributes  320000 for 4 months, B contributes  510000 for 3 months and C contributes  270000 for 5 months. If the total profit be  124800, then A's share in the profit is â€“
 38400
45900
 40500
41500

9 .A man spends 40% of his monthly salary on food and one-third of the remaining on transport. If he saves  4500 per month, which is equal to half the balance after spending on food and transport, his monthly salary is â€“
11250
 22500
25000
` 45000

10 .In an examination a candidate must score 40% marks to pas s. A candidat e, who gets 220 marks, fails by 20 marks. What are the maxi mum marks for the examination ?
1200
800
600
450