Ques:- The ratio between the present ages of A and B is 5:3 respectively. The ratio between A’s age 4 years ago and B’s age 4 years hence is 1:1. What is the ratio between A’s age 4 years hence and B’s age 4 years ago?
Ques:- A man loses 20% of his money and after spending 70% of the remainder he is left with Rs. 270. Originally he had?
Recent Answer : :
0,8x= y
y – 0,7y = 270
y= 270 / 0,3
y=900
0,8x=900
x=1125
Ques:- Rs. 800 becomes Rs. 956 in 3 years at a rate of S.I. If the rate of interest is increased by 4%, what amount will Rs. 800 become in 3 years?
Recent Answer : :
1052
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Ques:- Given N students, find the number of ways the students could be ranked. Also one or more students can have ties and can have the same ranks.
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Ques:- A man can row 30 km downstream and 20 km upstream in 4 hours. He can row 45 km downstream and 40 km upstream in 7 hours. Find the speed of man in still water?
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Ques:- A train 110 meters long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?
Ques:- X, Y and Z can do a work in 6, 8 and 12 days respectively doing the work together and get a payment of Rs.1800. What is Y’s share?
Ques:- The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers?
Recent Answer : :
6+8+10+10= 36
6²+8²+10²+12²=344
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Ques:- A milk vendor has 2 cans of milk. The first contains 25% water and the rest milk. The second contains 50% water. How much milk should he mix from each of the containers so as to get 12 litres of milk such that the ratio of water to milk is 3 : 5?
A. 4 litres, 8 litres
B. 5 litres, 7 litres
C. 6 litres, 6 litres
D. 7 litres, 5 litres
Recent Answer : :
Ans- 6,6 litres
Let x Litres from can1 (where, water = x/4 litres and milk = 3x/4 litres)
Now
12-x liters from can 2 ( where, water = 6-x/2, milk = 6-x/2)
Now given
water/milk = 3/5
0.25x+6-0.5x / 0.75 +6-0.5x = 3/5
6-0.25x/6+0.25 = 3/5
Solve it you get
x = 6 litres from can1
Then 12-x= 12-6=6 litres from can2
Ques:- A train 280 m long is moving at 60 km/hr. Time taken by the train to cross a tunnel 220 m long is
A. 15 sec
B. 20 sec
C. 25 sec
D. 30 sec
Recent Answer : :
30 Sec
Ques:- Have you had an experience where you realized that you had to be more positive and persuasive when selling you ideas to others? What did you learn from this experience?
Ques:- 3,3,5,4,4,-,-,5,4,3, find the blanks of given series
Recent Answer : :
the series will be like that
3,3,5,4,4,3,5,5,4,3
because
1 contains 3 alphabets so 1st element is 3 (ONE)
then 2 contains (TWO) alphabets and so on
the series will be as above
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Ques:- A student divided a number by 2/3 when he required to multiply by 3/2. Calculate the percentage of error in his result.
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Ques:- A cube of side 4cm is painted with colors red,blue,green in such a way that opposite sides are painted in the same colour . this cube is now cut into 64 cubes of equal size .then 1) how many have atleast two sides painted in different colours.
Ques:- Find out the wrong number in the series:
3, 4, 9, 22.5, 67.5, 202.5, 810
3, 4, 9, 22.5, 67.5, 202.5, 810
A. 4
B. 9
C. 67.5
D. 202.5
Recent Answer : :
A. 4
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Ques:- If a=2/3b , b=2/3c, and c=2/3d what part of d is b/(a) 8/27(b) 4/9(c) 2/3(d) 75%(e) 4/3
Ques:- Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?
Ques:- Document validation
x = 5/3y
x – 4 = y + 4
x – 8 = y
x = 5/3 * (x-8)
5/3x – 40/3 = x
2/3x = 40/3
2x = 40
x = 20
y = 20 – 8
y = 12
x + 4 = 24
y – 4 = 8
Ratio is 24:8 , so 3:1