Directions (1-4): Find the approximate value of (?) in the following questions.
Directions (5-8): Find the wrong number in the following number series
Q5. 190, 210, 266, 358, 486, 646, 850
Q6. 15, 50, 160, 370, 709, 1208, 1904
Q7. 120, 170, 251, 367, 522, 720, 990
Q8. 32, 75, 144, 245, 384, 569, 800
Q9. Ratio of present age of A to that of B is 2 : 5, ratio of present age of B to that of C is 25 : 18 and ratio of present age of C to that of D is 12 : 13. If D is 11 years younger than B, then find present age of A.
(a) 24 years
(b) 20 years
(c) 28 years
(d) 30 years
(e) 18 years
Q10. Perimeter of a right-angled triangle is 60m and length of hypotenuse of right-angled triangle is 25m. If base of the right-angled triangle is the smallest side, then find length of smallest side.
Q11. Shopkeeper sells two articles – M & N. He marks article – M 20% above its cost price and he gave 5% discount on it. Cost price of article – N is 20% more than cost price of article – M. If shopkeeper sold article – M at Rs.285 and article – N at 15% profit, then find selling price of article – N.
Q12. Ayush invested Rs.75000 in a scheme offering R% p.a. SI for 5 years and Rs.50000 in another scheme offering 12%p.a. CI compounding annually for 2 years. If difference in 2nd year CI and 2nd year SI is Rs.2220, then find value of R%.
Q13. Train – Y crosses Train – X while running in same direction in 120 seconds and Train – Y crosses Train – X in 40/3 seconds while running in opposite direction. If Train – X is running at 120 km/hr, then find speed of Train – Y (in km/hr).
(e) None of the above.
Q14. There are five boxes in a cargo hold. The weight of the first box is 200 kg and the weight of the second box is 20% higher than the weight of the third box whose weight is 25% higher than the first box’s weight. The fourth box at 350 kg is 30% lighter than the fifth box. Find the difference in the average weight of the four heaviest boxes and the four lightest boxes.
(a) 51.5 kg
(b) 75 kg
(c) 37.5 kg
(d) 112.5 kg
Q15. A man gets a simple interest of Rs. 1000 on a certain principal at the rate of 5 p.c.p.a. in 4 years. What compound interest will the man get on twice the principal in two years at the same rate?
(a) Rs. 1050
(b) Rs. 1005
(c) Rs. 11025
(d) Rs. 10125
(e) None of these
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