Question
Train A. running at the speed of 80 km/hr crossed train
B. running at the speed of 70 km/hr in the opposite direction. Both trains finish crossing each other in 30 seconds. If the length of train A is 300 m, then the length of train B is:Solution
The correct answer is B
The curved surface area of a right circular cone of height 15 cm and base diameter 16 cm is
The highest number which divides the product of any three consecutive even natural number is
The largest four digit number which when divided by 4, 7 and 13 leaves a remainder 3 in each case is
A can do a piece of work in 20 days and B can do it in 30 days. How long will they take to do the work together?
Find the difference between Simple Interest and Compound Interest for a sum of ₹ 8,000 lent at 10% per annum in 2 years.
Find the LCM of pair of the following polynomials x4 – 27a3 x, (x-3a)², whose GCD is (x-3a)
Rs 450 is to be divided into three parts such that four times the first part may be equal to three times the second and six times the third. Then the sh...
A competitive exam paper has 100 questions for which 1 mark will be awarded for each correct answer and 1/2 mark will be deducted for every wrong answe...
If Karkuzhali earns ₹ 1,800 in 15 days, then she earns ₹3,000 in ___________days.
Find the G.C.D. of the following:
35x5 y3 z4, 49x² yz3, 14xy2 z²
