7/8 of 3/7 of a number is equal to 25% of 45% of another
number. What is the ratio of the first and the second
numbers respectively?
(a) 3 : 7
(b) 9: 10
(c) 3 : 10
(d) 3 : 2
(e) None of these
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If a car starts from A towards B with some velocity due to some problem in the engine after travelling 30km.If the car goes with 4/5 th of its actuval velocity the car reaches B 45min later to the actual time. If the car engine fails ofter travelling 45km, the car reaches the destination B 36min late to the actual time , what is the initial velocity of car and what is the distance between A and B in km ans) 20 &
A beats B by 10 meters and B beats C by 15 metres the A beats C by
Each side of a rectangle is increased by 100% .By what percentage does the area increase?
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If A/B = 3/5,then 15A = ?
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A farmer built a fence around his 17 cows, in a square shaped region. He used 27 fence poles on each side of the square. How many poles did he need altogether?
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The price of Machine D equals the sum of the prices of machine A, B and C whose price are in the ratio 2:3:4 respectively. If weights of A, B, C and D varies as square of its individual price and difference of weight of D and A, B and C together is 9880 kg. Then what is the weight of D?
in a single throw of dice ,the chance of throwing a total of 3 is
Find the value of ( 0.75 * 0.75 * 0.75 - 0.001 ) / ( 0.75 * 0.75 - 0.075 + 0.01)?
How many five digit numbers are there such that two left most digits are even and remaining are odd?