Q.21.A can do a piece of work in 10 days, B in 15 days. They work together for 5 days, the rest of the work is finished by C in two more days. If they get Rs. 3000 as wages for the whole work, what are the daily wages of A, B and C respectively (in Rs):
(A) 200, 250, 300
(B) 300, 200, 250
(C) 200, 300, 400
(D) None of these
Q.22.A bag contains 6 white and 4 black balls .2 balls are drawn at random. Find the probability that they are of same colour.
(A) 1/2
(B) 7/15
(C) 8/15
(D) 1/9
Q.23. If 5 men can colour 50-meter long cloth in 5 days, in many days 4 men can color a 40-meter long cloth?
(A) 5 days
(B) 6 days
(C) 4 days
(D) 3 days
Q.24. Given that 1+2+3+.. +9 = 45, find the value of (11+12+13+..+19).
(A) 125
(B) 130
(C) 135
(D) 140
Q.25. What is the sum of first 35 natural numbers?
(A) 610
(B) 630
(C) 645
(D) 660
Q.26. Find the number of three-digit numbers which are divisible by 6.
(A) 150
(B) 130
(C) 120
(D) 110
Q.27. A train of length 100 meters is moving at a speed of 70 km/hr. In what time it will cross a man who is walking at 10 km/hr in the same direction?
(A) 5 seconds
(B) 6 seconds
(C) 8 seconds
(D) 7 seconds
Q.28. A train is moving at 120 km/hr. The length of the train is 200 meters. How long it will take to cross a platform of length 100 meters?
(A) 10 seconds
(B) 15 seconds
(C) 7 Seconds
(D) 9 seconds
Q.29. What is the angle between hour hand and minute hand of a clock at 3.30?
(A) 65°
(B) 70°
(C) 75°
(D) 80°
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The Correct answer is (C)
Q.30. 10 typists can type 600 pages in 8 hours. Find the average number of pages typed by each typist in an hour.
(A) 7 pages
(B) 7.5 pages
(C) 8 pages
(D) 8.5 pages
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