Q. There are nine positive observations. Average of the first five observations is 9 and of the last five observations is 17. If the average of these nine observations is 13, what is the sixth observation?
1) 17
2) 13
3) 15
4) 19
Q. A sum of Rs. 41 was divided among 50 boys and girls. Each boy gets 90 paise and a girl 65 paise. The number of boys is -
1) 16
2) 34
3) 14
4) 36
Q. The age of a man is twice the square of the age of his son. Eight years hence the age of the man will be 4 years more than three times the age of his son. The present age of the man is -
1) 48 years
2) 42 years
3) 36 years
4) 32 years
Q. One day Tom left home and walked 50 m towards south, turned right and walked 25 m, turned right and walked 50 m and turned left and walked 50 m. How many meters will he have to walk to reach his home straight ?
1) 50
2) 75
3) 60
4) 150
Q. To complete some work, A takes half time than B. C complete same work in same time in which both A and B complete together. If all three together complete this work in 7 days, then in how many days will C complete this work alone ?
1) 14 days
2) 21 days
3) 35 days
4) 42 days
Q. The sum of Rs. 12,000 deposited at compound interest, becomes double in 5 years, In 20 years it will become -
1) Rs. 1,20,000
2) Rs. 1,24,000
3) Rs. 1,92,000
4) Re. 96,000
Q. The sum of the place values of both the threes in the natural number 43836 is -
1) 6
2) 33
3) 330
4) 3030
Q. How many prime numbers are there between 1 and 50 ?
1) 17
2) 15
3) 14
4) 16
Q. 24.996 x 13.005 x 17.080 = ?
1) 6225
2) 5525
3) 5405
4) 5875
Q. 8599.999 ÷ 420.002 x 14.996 = ?
1) 250
2) 325
3) 275
4) 300
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