Exams

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
642 x 6 ÷ 25 + 4 = ?

In the following question, correct the equation by interchanging two signs.

9 x 3 + 8 ÷ 4 – 7 = 28

Two circles touch each other at point X. Two common tangents of the circles meet at point P and none of the tangents passes through X. These tangents touch the larger circle at points B and C. If the radius of the larger circle is 15 cm and CP = 20 cm, then what is the radius (in cm) of the smaller circle?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Qutb­ud­din Aibak, Iltutmish, ?, Ghiyas­ud­din Balban

If for the year a country's GDP was $990 million, consumer spending was $630 million, investment by businesses was $110 million, exports were $55 million and imports were $45 million, calculate government spending?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Our government has decided to strengthen the (1)/ States’ capacity to move away from a already (2)/ obsolete ‘one-size-fits-all’ approach. (3)/ No error. (4)

The average marks of 10 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 34 instead of 43. What is the correct average?

In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

17 - 20 + 5 x 30 ÷ 4 = ?