Q. Rs.15000 is invested in two parts in such a way that the first part was lent at 5% p.a and the rest at 8% p.a. if the whole interesr recieved was Rs 9300. in 10 years. find the sum lent at 8% p.a
A) 4000
B) 5000
C) 6000
D) 8000
Q. A 15 liter mixture of 20% solution in water has 15 liters of water added to it. the strength of the mixture as a percent is
A) 18
B) 10
C) 20
D) 8
Q. How many liters of 27% alcohol solutions is to be added to 20 liters of 36% alcohol solution to obtain a 30% alcohol solution?
A) 30
B) 40
C) 60
D) 50
Q. a dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25% the percentage of water in the mixtures is
A) 4%
B) 6 1/4%
C) 20%
D) 25%
Q. A man has three different kinds of milk of 153 litres, 238 litres and 306 itres. find the least number of tins of equal size required to store all the milk without mixing
A) 29
B) 41
C) 51
D) 17
Today Challenging Question
Q. If a boat is moving in upstream with velocity of 14 km/hr and goes downstream with a velocity of 40 km/hr, then what is the speed of the stream ?
A) 13 km/hr
B) 26 km/hr
C) 34 km/hr
D) none of these
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