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While tabulation of marks scored in an examination by the students of a class, by mistake the marks scored by one student got recorded as 93 in place of 63, and thereby the average marks increased by 0.5. What was the number of students in the class?

a solid cube is cut into three cuboids of same volume .what is the ratio of the surface area of the cube to the sum of the surface areas of any two of the cuboids so formed

Unless geeta apologises

cube root of 0.037 bar

6 13 51 4 7 29 19 11 ?

35:66::29:?
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6. abcd is a cyclic quadrilateral in which ab = 15 cm, bc = 12 cm and cd = 10 cm. if ac bisects bd, then what is the measure of ad?

two numbers are 40% and 80% lesser than a third no. how much% tha third no. be enhanced to make it equal to first number.

mock analysis is so bad. please improve it.

how can we reattempt previous year paper?