A group of 630 children is arranged in rows for a group of photograph session . Each row contains three fewer children than the row in front of it. What number of rows is not possible?
- 6
- 3
- 4
- 5
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In right angle triangle ABC Ā , angle C =90 degree and CD is perpendicular on hypotenuse AB if BC=15 cm and AC=20 cm then. find the value of CD?
- 18
- 12
- 17.5
- none
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There are two concentric hexagons. Each of the side of both the hexagons are parallel. Ā Each side of an internal regular hexagon is 8 cm , what is the area of shaded region(do hexagon ke sides ke beech ka) if the distance between corresponding parallel sides is 2sqrt3 ?
- 126
- 119
- 120sqrt3
- none
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there are 150 workers appointed to complete a task but unfortunately 4 workers left the job every day due to which project delayed by 8 days.what was the actual estimation?Ā
cp of 12 oranges=sp of 9 oranges.discount of 10 oranges =profit on 5 oranges.what is % point diff b/w profit% & discount %?
avg marks of ram decreases by 1 when he replaced 40 by 23,25.later he has also included 57.& avg increases by 2.how many subjects?
a merchant mixed 25% kerosene with petrol.sells the mix at the price of petrol.if cost of kerosene be 50% of cp of petrol,what is mix profit%?Ā
A,B Ā run a 5km race on a round course of 400m.ratio of speeds 5:4.the no of times the winner passes the other is?
a article is marked up 80%,discount allowed is 25%.besides 20% more a/m per kg from wholesaler & 10% less per kg to customer.overall profit?
a article is marked up by 20%.discount allowed is 10%.cheats 10% during buying & selling.gain%?
a sum of money is borrowed @ 6% p.a.after 1st year 6800 is paid as fine.remaining money is paid with 5% s.i.interest paid in 2nd yr=11/20(1st year).sum of money? Ā
metro engine speed 42 km/hr,no compartment is attached.reduction of speed id directly proportional to sq rt of no of compartments attached.train speed 24 km/hr.when 9 compartments are attached,max no of compartments that can be carried? Ā
a corner of the cube of side length 8 cm.when cut by a plane which bisects the sides of the cube,we get a pyramid.pyramid volume?
a product is marked up so profit is 25%.allowing certain discount profit reduces to 25/2%.discount%?Ā
price of sugar falls by 10%.which enable to buy 22 kg more,had the price been increased by 10%,how much quantity of sugar could have bought for the same price?Ā
A sells to B of profit at 5/3 which B has decided to sell it to C.C on the other hand sells it to Ā D at 1/3 the rate of profit at which B sells it to C.D gives rs 2145 to C at 10%.cp of A?
a article is marked up by 20%.discount allowed is 10%.cheats 100 gm/kg during buying & selling.gain%?
Change the Voice:
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A and B have to write 810 and 900 pages respectively in a same time period Ā . But A completes his work 3 hours ahead of time and B completes 6 hours ahead of time . How many pages did A write per hour if B wrote 21 pages more in each hour?
- 100
- 45
- 72
- 54
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When A, B and C are deployed for a task , A and B together do 70% of the work and B and C together do 50% of the work . Who is most efficient?
- A
- canāt determined
- C
- B
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