Question
A student was supposed to multiply a number by 0.84 but
instead multiplied it by 8.4. Due to this, his result exceeded the correct result by 3360. Find the original number.Solution
ATQ,
Let original number be ‘x’
So, 8.4x – 0.84x = 3360
Or, 7.56x = 3360
Or, x = 444.44 or approx. 444
Who among the following became the President of India without having been the Vice-President?
Amit has 7 friends whom he wishes to invite to a dinner. Out of his 7 friends, 1 or more may accept the invitation. In how many different ways can Amit...
The atomic number of an atom is equal to the:
An economy is called agrarian if its share of the primary sector is 50 per cent or more in the total output (the GDP) of the economy. With context Indi...
Who has been appointed as the leader of NASA's newly established initiative "Moon Tour Mars"?
The average of n numbers is 60. If each of 55% of the numbers is increased by 14 and each of the remaining numbers is decreased by 12, then the new aver...
Which of the following options represents metals that do NOT react with cold water?
Which one of the following is the correct statement?
Expenditure of installation of a new machinery, is:Â
By which of the following can petrol fire be extinguished ?
