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The speed of a boat in still water is 5 km/hr, it can go 30km upstream and return downstream to the original point in 4 hours 30 min. The speed of the stream is_______?
A. 5km/hr
B. 8 km/hr
C. 10 km/hr
D. 15 km/hr
Boats and Streams · Easy · 1 month ago
The dimensions of a room are 25 feet * 15 feet * 12 feet. What is the cost of white washing the four walls of the room at Rs. 5 per square feet if there is one door of dimensions 6 feet * 3 feet and three windows of dimensions 4 feet * 3 feet each?
A. Rs. 4800
B. Rs. 3600
C. Rs. 3560
D. Rs. 4530
Mensuration · Easy · 1 month ago
The ratio of the number of boys and girls in a college is 7 : 8. If the percentage iikcrease in the number of boys and girls be 20% and 10% respectively, what will be the new ratio ?
A. 8 : 9
B. 17 : 18
C. 21 : 22
D. Cannot be determined
Ratio and Proportion · Easy · 1 month ago
Masood invests a part of Rs. 12000 in 12% stock at Rs. 120 and the remainder in 15% stock at Rs. 125. If his total dividend per annum is Rs. 1360, how much does he invest in 12% stock at Rs. 120?
A. Rs. 4500
B. Rs. 6000
C. Rs. 5500
D. Rs 4000
Stocks and Shares Mcqs · Easy · 1 month ago
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?
A. 196
B. 630
C. 1260
D. 2520
Problems on L.C.M and H.C.F · Easy · 1 month ago
Rajan borrowed Rs.4000 at 5% p.a compound interest. After 2 years, he repaid Rs.2210 and after 2 more year, the balance with interest. What was the total amount that he paid as interest?
A. Rs.635.50
B. Rs.613.50
C. Rs.675.50
D. Rs.653.50
Compound Interest · Easy · 1 month ago
A boat covers a distance of 30 km in 2 ½ hours running downstream while returning it covers the same distance in 3 ¾ hours. What is the speed of the boat in still water?
A. 8km/hr
B. 12km/hr
C. 14 km/hr
D. 15 km/hr
E. None of these
Boats and Streams · Easy · 1 month ago
A cube of side one meter length is cut into small cubes of side 10 cm each. How many such small cubes can be obtained?
A. 10
B. 100
C. 1000
D. 10000
Mensuration · Easy · 1 month ago
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