33. An observer 1.6 m tall is
(a) 21.6 m
(b) 23.2 m
(c) 24.72 m
(d) None of these
34. The angle of elevation of the top of a tower from a certain point is 300. If the observer moves 20 m toward the tower, the angle of elevation of the top of the tower increases by 150. The high of the tower is:
(a) 17.3 m
(b) 21.9 m
(c) 27.3 m
(d) 30 m
35. David got two and a half time as many marks in English as in History. If his total marks in the two subjects are 140, the marks obtained by him in English are:
(A) 40
(B) 75
(C) 90
(D) 100
36. The number of girls in a class is 5 Time the number of boys. Which of the following cannot be the total number of children in the class?
(A) 24
(B) 30
(C) 35
(D) 42
(E) 54
37. A sum of money invested at compound interest amounts to Rs. 800 in 3 years and to Rs.840 in 4 years. The rate of interest per annum is:
(A)
(B) 4%
(C) 5%
(D)
38. What annual payment will discharge a debt of Rs. 1025 due in 2 years at the rate of 5% compound interest?
(A) Rs. 550
(B) Rs. 551.25
(C) Rs. 560
(D) Rs. 560.75
39. Arun, Kamal and Vinay invested Rs. 8000, Rs. 4000 and Rs. 8000 respectively in a business. Arun left after six months. If after eight months, there was a gain of Rs. 4005, then what will be the share of Kamal?
(A) Rs. 890
(B) Rs. 1335
(C) Rs. 1602
(D) Rs. 1780
40. Shekhar started a business investing Rs. 25,000 in 1999. In 2000, he invested an additional amount of Rs. 10,000 and Rajeev joined him with an amount of Rs. 35,000. In 2001, Shekhar invested another additional amount of Rs. 10,000 and Jatin joined them with an amount of Rs. 35,000. What will be Rajeev’s share in the profit of Rs. 1,50,000 earned at the end of 3 years from the start of the business in 1999?
(A) Rs. 45,000
(B) Rs. 50,000
(C) Rs. 70,000
(D) Rs. 75, 000
(E) None of these
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