Mathematics — Science & Mathematics

Ethane, with the molecular formula C2H6 has:

X can do 1/5 of a work in 10 days. Y can do 60% of the work in 60 days and Z do 1/3 of the work in 12 days. Who will co…

Which of the following is the odd one out from the given figures?

An apple costs ₹6 each and a mango costs ₹5 each. X spends ₹42 on these fruits. The number of apples purchased is?

Select the correct alternative which will come in the place of the question mark?

If the sum of two numbers is 36 and their product is 315, then find the absolute difference between the numbers.

If (64)² - (36)² = 20Z, then value of Z is:

Which term will come in the place of the question mark? 4, 112, 8, 56, 12, ?, 16, 14, 20, 7?

Find the smallest number which when divided by 25, 40 and 56 has in each case as remainder 13.

If A and B together can complete a piece of work in 20 days and B alone in 25 days, in how many days can A alone comple…

The ratio of 4^3.5 : 2^5 is same as?

Choose the odd one out.

The number of students in each section of a school is 30. After admitting new students, 4 new sections were started. No…

Average of all the natural numbers less than 150 is:

Select the correct alternative which will replace the question mark. Freeze ∶ Solid ∶∶ Melt ∶ ?

Find the missing term in the given series. 15, 30, ?, 40, 8, 48?

If in a certain language 'KINDLE' is coded as 'NLQAIB', then in the same language how can 'EXOTIC' be coded?

When 30% of a number is added to 49, the result is itself, then the number is:

20.02 + 200.2 + 2.002 =?

In a certain code language 'MOBILITY' is coded as "46293927", then how is ‘STABLE' written in that language?