A tourist spends daily as many rupees as the number of days of his total tour. If his total expenses were ₹ 361, then how many days did his tour last?
(A) 21 days
(B) 31 days
(C) 17 days
(D) 19 days
A man rows 12 km in 5 hours against the stream and the speed of current being 4 kmph, What time will be taken by him to row 15 km with the stream?
(A) 1 hour
(B) 1 hour
(C) 1 hour
(D) 1 hour
The speed of a boat downstream is 15 km/hr. and the speed of current is 3 km/hr. Find the total time taken by the boat to cover 15 km upstream and 15 km downstream.
(A) 3 hours 10 minutes
(B) 2 hours 30 minutes
(C) 2 hours 40 minutes
(D) 2 hours 42 minutes
The ratio of two numbers is 2: 3 and their L.C.M is 48. What is the number?
(A) 8, 6
(B) 16, 24
(C) 18, 32
(D) 25, 28
The least number which when divided by 4, 6, 8 and 9 leave zero remainders in each case and when divided by 13 leaves a remainder of 7 is:
(A) 85
(B) 36
(C) 144
(D) 72
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