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In covering a distance of 30 km, abhay takes 2 hours more than sameer. If abhay doubles his speed, then he would take 1 hour less than sameer. Abhay's speed is?
In a digital circuit which was to implement (A B) + (A)XOR(B), the designer implements (A B) (A)XOR(B) What is the probability of error in it ?
A invests $12000, B invests $8000, C invests $6000 and they got a profit of $1200. How much share A got more than B and C?
Find out the Simple Interest paid for a sum of $4000 at the rate of 8% per annum for 3 months.
A bus started from bustand at 8.00am, and after staying for 30 minutes at a destination, it returned back busstand. The destination is 27 miles from the busstand. The speed of the bus is 18mph. During the return journey bus travels with 50% faster speed.At what time does it return to the busstand?
Asmita invests an amount of Rs. 9535 at the rate of 4 per cent per annum to obtain a total amount of Rs. 11442 on simple interest after a certain period. For how many years did she invest the amount to obtain the total sum?
600 tennis players 4% ->wrist band on one wrist of remain 96%->25%->on both hands remain no of ---
In which year will the 21st century begin?
Find the missing number in the series: 2, 5, __ , 19 , 37, 75
x:y=3 and x+y=80 what is the value of y?
15 men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would it take for 21 women if 3 women do as much work as 2 men?
There are two balls touching each other circumferentially. The radius of the big ball is 4 times the diameter of the small ball.The outer small ball rotates in anticlockwise direction circumferentially over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. what is 'N' for the horizontal line from the centre of small wheel always is horizontal.
How many digits will be there to the right of the decimal point in the product of 95.75 and .02554 ?
A 4" cube is painted in all its faces and then it is cut down into 1" blocks. How many 1" blocks are there even without a single face being painted?
Why we use Caffine in HPLC calibration?