Q. The
ratio of the ages of father and son at present is 6:1, after 5 years the ratio
will become 7:2. The present age of son is-
Ans. 5
years
Q. If 3
men or 5 women can reap a field in 43 days, how long will 5 men and 6 women
take to reap it ?
Ans. 15
days
Q. Rs.
800 amount to Rs. 920 in 3 years at simple interest. If the interest rate is
increased by 3% it would amount to how much?
Ans. 992
Q. The
simple interest on a sum of money is 1/9 of the principal and the number of
years is equl to the rate percent per annum. The rate percent per annum
is
Ans. 1/3
Q.Abel Prize is associated with ?
Ans.
Mathematics
Q. There
are two taps to fill a tank while a third to empty it , when the third tap is
closed they can fill the tank in 10 minutes and 12 minutes respectively, if all
the 3 taps be opened the tank is filled in 15 minutes. If the first two taps
are closed in what time the third tap empty the tank when it is full?
Ans. 8
Minutes and 34 Seconds
Q. The LCM of 2 numbers is 2310 and their HCF is 30 if one of the number is 7X30, find the other number ?
Ans. 330
Q. 10
years ago Chandrawati's mother was 4 time older then her daughter, after 10
years the mother will be twice older then her daughter. The present age of
Chandrawati is ?
Ans. 20
years
Q. A lent Rs. 600 to B for 2 years and Rs. 150 to C for 4 years and received altogether from both Rs. 90 as simple interest, the rate of interest is ?
Ans. 5%
Q. If a:b = 2:3 and b:c = 5:7 then a:c = ?
Ans.
10:21
Q. The
average speed of a cyclist who covers 1st, 2nd and 3rd KM at 20, 16 and 12 KMPH
respectively is ?
Ans.
15.32 KMPH
Q. The sum of all positive integrals multiples of 5 less than 100 is
Ans. 950
Q. A piece of work done by 6 men and 5 women in 6 days or 3 men and 4 women in 10 days, it can be done by 9 men and 15 women in ...?
Ans. 3
days
Q. If Sunil rows at the rate of five KMPH in still water and his rate against the current is 3.5 KMPH than Sunil's rate along the current is ?
Ans. 6.5
KMPH
Q. A man is four times as old as
his son. Ywenty years later he will be just twice as old as his son. Find
their present ages
Ans. 40-10 years
Q. 1.086-0.3983-0.669=
Ans. 0.0187
Q. A library has an average
number of 510 visitors on Sunday and 240 on other days. The average number of
visitors per day in a month of 30 days beginning with Sunday is
Ans. 285
Q. The sum of all odd numbers
between 100 and 200 is
Ans. 7500
Q. Two stations A and B are 110
km apart on a straight line. One train starts from A to 7.00 am. and travels
towards B at 20 kmph. Another train starts from B at 8.00 am. and travels
onwards A at a speed of 25 kmph. At what time will they meet?
Ans. 10.00 am.
Q. 25/0.005=
Ans. 5000
Q. A man covers a distance from a
town to a town B on scooter at 30 kmph and rides back from B to A at 20
kmph. His average speed is
Ans. 24 kmph
Q. 12 man can complete a work in
8 days, three days after they started the work 3 more man joined in how many
days will all of them together complete the remaining work.
Ans. 4 days
Q. Which of the following
fraction is less than 7/8 and greater than 1/3
Ans. 17/24
Q. Square root of
25/15625= Square root of ?/30625
Ans. 49
Q. Add a worksite a gang of
labourers undertake to finish certain activities in 8 hours unfortunately right
from the start of the work 4 of them remain absent, but the rest men complete
the work in 10 hours, what is the original number of workers in the gang ?
Ans. 20
Q. How many terms of the series
1+3+5+ ....must be taken in order so that the sum may be 19600?
Ans. 140
Q. Amulya alone does a piece of
work in 2 days and Bindu does it in 6 days. In how many days will the two do it
together ?
Ans. 3/2
Q A train M leaves Meerut at 5.00
A.M. and reaches Delhi at 9.00 A.M. Another train N leaves Delhi at 7.00 A.M.
and reaches Meerut at 10.30.A.M. At what time do the two trains cross one
another?
Ans. 7.56
a.m.
Q. Three bells toll at intervals
of 9, 12 and 15 minutes respectively.All the three begin to toll at 9.00 am. At
what time will they again toll together?
Ans. 12.00 Noon
Q. Find two numbers whose
arithmetic mean is 12.5 and geometric mean is 10
Ans. 5, 20
Q. The sum of the series
5+13+21+...+181 is
Ans. 2139
Q. Thomas can do a piece of work
in 80 days. He works at it for 10 days and then Ajay alone can finishes the
remaining work in 42 days. Together they could complete the work in
Ans. 30 days
Q. Two trains are moving in the
same direction at 65 kmph and 45 kmph. The faster train crosses a man in slower
train in 18 seconds. The length of the first train is ?
Ans.100 m
Q. 11
Find the HCF of 2261, 2527 and 1653
(a) 19
(b) 29
(c) 1
(d) None of these
Ans- A
Q.12 Ram
is twice as old as Shyam. If 10 years ago Ram was 4 times as old as Shyam, what
is the present age of Shyam?
(a) 12
(b) 15
(c) 30
(d) None of these
Ans. b
Q.13 Find
the sum of 40th terms of the series 3, 7, 11, 15, ....
(a) 3442
(b) 3443
(c) 3242
(d) 3240
Ans.d
Q. 14 The
sum of age of a son and father is 56 year. After 4 year, the age of father will
be 3 times than of the son. Find the age of son.
(a) 18
year (b) 16 year
(c) 14
year (d) 12 year
Ans.d
Q. 15 Raj
travels for 14 hours 40 minutes. He covers half of the journey by train at the
rate of 60 KMPH and the rest by road at the rate 50 KMPH. The distance traveled
by him is-
(a) 720
km (b) 800 km
(c) 960
km (d) 1000 km.
Ans. b
0 comments:
Post a Comment