Solution English Hindi
1.A train travelling at 48km/hr completely crosses another train having half its length and travelling in opposite direction at 42km/hr in 12sec. It also passes a railway platform in 45sec. The length of platform is.
1.A train travelling at 48km/hr completely crosses another train having half its length and travelling in opposite direction at 42km/hr in 12sec. It also passes a railway platform in 45sec. The length of platform is.
a.400 b. 450 c.560
d.600mt
2.A pipe can fill a tank in 15min and other in 10min. A third pipe can
empty a tank in 5min. First two pipes are kept open for 4min in the beginning
and then the third pipe is also opened . In what time will the tank empty.
a.35min b.15min c.20min
d. Cannot be emptied
3.A man who can swim 48 m/min in still water , swims 200 mt
against the current and 200 mt. With the current. If difference between two
times is 10min. Find the speed of current.
a.30m/min b.29m/min c.31m/min
d.32m/min
4.The no. Of observation in group is 40. If the average of first 10 is 4.5 and the average of rest is 3.5
.The average of the whole group is
a.15/4 b.1/5 c.8
d.4
5.A club consist of members whose ages are in A.P. common
difference being 3 months.If the youngest member of the club is just 7 yrs old
and the sum of ages of all the members is 250 yrs. The no. Of members in the
club are..
a.15 b.20 c. 25
d.30
6.Out of total production of iron from ore,20% ore gets
wasted. Out of the remaining ore, only 25% is pure iron. If pure iron obtained
from mine of ore is 80000kg, then quantity of ore mined in the year is
a.400000kg
b.500000kg c.450000kg d.600000kg
7. A salesman’s term were changed from a flat commission of
5% on all his sales to a fixed salary of Rs1000/- plus 2.5% commission on all
sales exceeding Rs4000/-. If his renumeration as per the new scheme is Rs600/- more
than the first scheme. What were his sales worth.
a.RS11000/-
b.17000/- c.16000/- d.12000/-
8. a man covers a certain distance on toy train. If train
moved 4km/h faster it would take 30 min less and if moves 2km/hr slower, it
would have taken 20min more. Find the distance.
a.60km b.45 c.30 d.20
9.There are 2 bottles containing a mix. Of wine , water and
alcohol. First bottle contains these in ratio 3:5:2. Second contain water and
wine in ratio 5:4. 1 lt. Of first and
2lt of the second are mixed . What fraction of the mix. Is alcohol.
a.1/15 b.6/13 c.2/15
d.6/19
10.A man ordered 4 pairs of black and some pairs of brown
socks. The price of black socks is double that of brown pair. While preparing
the bill, clerk made a mistake and interchanged the no. Of black and brown
pairs. This increased bill by 50%. The ratio of black and brown pairs in
original are
a.4:1 b.2:1 c.1:4
d.1:2
11.If goods are purchased for Rs840/-. 1/4th of it is sold at 20%loss. At what gain % should remaining be
sold as to gain 20% on whole.
a.22.5% b.33.33% c.11.33%
d.15%
12.A retailer bought a certain no. Of CD’s for Rs1800/-.
Keeping one to himself he sold the rest at Rs 6/- profit per CD. In total he
earned a profit of Rs114/-. The no. Of CD he bought were
a.20 b.28 c.32 d.30
13.A sum of RS25/- was paid for a work which A can do in 32
days, B in 20 Days, C in 12 Days and D in 24 Days. How much did C Receive ,If
all four work together.
a.15/3 b.14/3 c.13/3
d.16/3
14. The difference between outside and inside surface of a cylindrical
pipe 14cm long is 44cm2. If the pipe is made of 99cu.cm of metal. Find outer
and inner radii of the pipe.
a.2,2.22 b.2,1.5 c.2.84,2.3
d.2.5,2
15. The slant surface area of pyramid 21cm high , standing
on square base of 40cm side is
a.2320 b.2302 c.2032
d.2023
16. At the foot of the mountain the elevation of its summit
is 45degrees. After ascending 1000mt towards the mountain up the slope of 30deg
inclination ,elevation becomes 60 deg. Ht of mountain is
a.1.366 b.1.633 c.1.636
d.1.363 km
17.The radius of 2 concentric circles are 13cm and 8cm. AB the dia. Of the bigger
circle. BD is the tangent to the smaller circle touching it at AD . AD is..
a.18cm b.19 c.17 d.15
18. If the pts. A(4,3) and B(x,5) are on the same circle
with centre o(2,3). Value of X is
a.2 b.4 c.5 d.0
19.A postman walks toward north a distance of 120m to
deliver the letter. He then goes towards east for a distance of 50m for
delivering another letter. The shortest distance between two places is
a.70 b.120 c.130
d.170mt
20.A semicircular sheet of paper of dia. 28cm is bent to
cover the exterior surface of an open conical ice-cream cup. Depth of icecream
cup is
a.10.12 b.11.12 c.12.12
d.13.12cm
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