36 men together can build a wall 140 m long in 21 days ; the number of men working at the same rate required to build the same wall in 14 days is
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20 questions
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36 men together can build a wall 140 m long in 21 days ; the number of men working at the same rate required to build the same wall in 14 days is
The perimeters of a square and a rectangle are equal . If their area be 'A' m2 and 'B' m2 then correct statement is
A man bought a watch for 10% discount.If he had bought for 20% discount he would have got the watch for 125 less . The marked price of the watch is
The compound ratio of the inverse ratios of the ratios x : yz , y : zx , z : xy is :
By selling a tape - recorder for 1040 a man gains 4% . If he sells if for 950 , his loss will be
What will be the percentage of increase in the area of a square when each of the its sides is increased by 10% ?
Every Sunday , Gin jogs3 miles . For the rest of the week , each day he jogs1 mile more than the previous day . How many miles Gin jogs in 2 weeks ?
A rectangle with one side of length 4 cm is inscribed in a circle of diameter 5 cm . Find area of the rectangle
ABCD is a cyclic trapezium with AD || BC . If ∠A = 105° , then other three angles are
If sec 15θ = cosec 15θ (0° < θ < 10°) then value of θ is
Average runs scored by 11 players of a cricket team is 23 runs . If the first player scored 113 runs . Find the average runs of the remaining players
The ratio of circumradius and radius of an equilateral triangle is
AB is a diameter of the circle with centre O , CD is chord of the circle , If ∠BOC = 120° , then the value of ∠ADC is
A straight tree breaks due to storm and the broken part bends so that the top of the tree touches the ground making an angle of 30° with the ground . The distance from the foot of the tree to the point , where the top touches the ground is 10 m. Find the total height of the tree?
The compound interest on a certain sum for 2 yearsat 10% per annum isRs. 525 . The simple interest on the same sum for double the time at half the rate percent per annum is :
If tan θ = tan 30° . tan 60° and θ is an acute angle , then 2θ is equal to
Study the following Bar graph and answer the question . The Bar Graph gives the annual rates of inflation in percentages for 1975 and 1987. From 1975 to 1987 , inflation rate increased in the third world countries approximately by
Study the following Bar graph and answer the question . The Bar Graph gives the annual rates of inflation in percentages for 1975 and 1987. The change in rate of inflation was least in which of the following .
Study the following Bar graph and answer the question . The Bar Graph gives the annual rates of inflation in percentages for 1975 and 1987. Comparing the figures for USA vis-a-vis the developed nations , it can be concluded that
Study the following Bar graph and answer the question . The Bar Graph gives the annual rates of inflation in percentages for 1975 and 1987. In the year 1987 , the inflation rate in the third world countries vis-a-vis the world jumped approximately by