The sum of ages of 5 children born at the intervals of 3 years each is 50 years. Find out the age of the youngest child?
- 6 years
- 5 years
- 4 years
- 3 years
If a material is sold for Rs. 34.80, there is a loss of 25%. Find out the cost price of the material?
- Rs. 46.40
- Rs. 44
- Rs. 42
- Rs. 47.20
A fruit seller sells apples at the rate of Rs. 9 per kg and thereby
loses 20%. At what price per kg, he should have sold them to make a
profit of 5%?
- Rs. 11.32
- Rs. 11
- Rs. 12
- Rs. 11.81
A trader gives 12% additional discount on the discounted price, after
giving an initial discount of 20% on the labelled price of an item. The
final sale price of the item is Rs. 704. Find out the labelled price?
- Rs. 1000
- Rs. 2000
- Rs. 1200
- Rs. 920
How many words can be formed by using all letters of the word 'BIHAR'?
- 720
- 24
- 120
- 60
How many arrangements can be made out of the letters of the word 'ENGINEERING' ?
- 924000
- 277200
- None of these
- 182000
How many 3 digit numbers can be formed from the digits 2, 3, 5, 6, 7
and 9 which are divisible by 5 and none of the digits is repeated?
- 20
- 16
- 8
- 24
109 × 109 + 91 × 91 = ?
- 20162
- 18322
- 13032
- 18662
When (67^67 +67) is divided by 68, the remainder is
- 0
- 22
- 33
- 66
[(912+643)^2+(912-643)^2]/(912×912+643×643)=?
- 122
- 2
- 1
- None of these
The ratio between the length and the breadth of a rectangular park is
3:2. If a man cycling along the boundary of the park at the speed of 12
km/hr completes one round in 8 minutes, then what is the area of the
park (in sq. m)?
- 142000
- 112800
- 142500
- 153600
What is the percentage increase in the area of a rectangle, if each of its sides is increased by 20%?
- 45%
- 44%
- 40%
- 42%
If the difference between the length and breadth of a rectangle is 23 m and its perimeter is 206 m, what is its area?
- 2800 m2
- 2740 m2
- 2520 m2
- 2200 m2
What is the greatest possible length which can be used to measure exactly the lengths 8 m, 4 m 20 cm and 12 m 20 cm?
- 10 cm
- 30 cm
- 25 cm
- 20 cm
Which of the following fraction is the largest ?
- 11/12
- 41/50
- 21/40
- 5/6
In what ratio must tea worth Rs. 60 per kg be mixed with tea worth Rs.
65 a kg such that by selling the mixture at Rs. 68.20 a kg ,there can be
a gain 10%?
- 3 : 2
- 2 : 3
- 4 : 3
- 3 : 4
A container contains a mixture of two liquids P and Q in the ratio 7 :
5. When 9 litres of mixture are drawn off and the container is filled
with Q, the ratio of P and Q becomes 7 : 9. How many litres of liquid P
was contained in the container initially?
- 23
- 21
- 19
- 17
In what ratio must tea worth Rs. 60 per kg be mixed with tea worth Rs.
65 a kg such that by selling the mixture at Rs. 68.20 a kg ,there can be
a gain 10%?
- 3 : 2
- 2 : 3
- 4 : 3
- 3 : 4
A container contains a mixture of two liquids P and Q in the ratio 7 :
5. When 9 litres of mixture are drawn off and the container is filled
with Q, the ratio of P and Q becomes 7 : 9. How many litres of liquid P
was contained in the container initially?
- 23
- 21
- 19
- 17
What is the probability of selecting a prime number from 1,2,3,... 10 ?
- 2/5
- 1/5
- 3/5
- 1/7
3 balls are drawn randomly from a bag contains 3 black, 5 red and 4
blue balls. What is the probability that the balls drawn contain balls
of different colors?
- 3/11
- 1/3
- 1/2
- 2/11
P can finish a work in 18 days. Q can finish the same work in 15 days. Q
worked for 10 days and left the job. how many days does P alone need to
finish the remaining work?
- 8
- 5
- 4
- 6
3 men and 7 women can complete a work in 10 days . But 4 men and 6
women need 8 days to complete the same work . In how many days will 10
women complete the same work?
- 50
- 40
- 30
- 20
A train passes a platform in 36 seconds. The same train passes a man
standing on the platform in 20 seconds. If the speed of the train is 54
km/hr, The length of the platform is
- None of these
- 280 metre
- 240 metre
- 200 metre
A train moves past a post and a platform 264 metre long in 8 seconds
and 20 seconds respectively. What is the speed of the train?
- 79.2 km/hr
- 69 km/hr
- 74 km/hr
- 61 km/hr
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