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Deepak Bora

Asked: July 16, 2020In: ICSE

if a/b = c/d = e/f ,prove that (a^3 + b^3)^2 / (b^3 + d^3)^2 = e^6 / f^6

Ratio and proportion

Deepak Bora

Asked: July 16, 2020In: ICSE

Ratio and proportion

Ratio and proportion class X

Deepak Bora

Asked: July 16, 2020In: ICSE

Ratio and proportion

Ratio and proportion ICSE

Deepak Bora

Asked: July 16, 2020In: ICSE

if b is the mean proportional between a and c , prove that (ab + bc )is the mean proportional between (a^2 + b^2) and (b^2 + c^2)

Ratio and proportion

Deepak Bora

Asked: July 16, 2020In: ICSE

what number must be added to each of the numbers 16,26and 40 so that the resulting numbers may be in continued proportion.

Ratio and proportion

Deepak Bora

Asked: July 16, 2020In: ICSE

what number should be subtracted from each of the numbers 23,30,57 and 78 so that the remainders are in proportion,

Ratio and proportion

Deepak Bora

Asked: July 16, 2020In: ICSE

If a ,12,16 and b are in continued proportion , find a and b

Ratio and proportion

Deepak Bora

Asked: July 15, 2020In: CBSE, ICSE

The monthly pocket money of Ravi and Sanjeev are in the ratio 5 : 7. Their expenditures are in the ratio 3 : 5 . If each saves Rs.80 every month, find their monthly pocket money.

ratio and proportion

Deepak Bora

Asked: July 15, 2020In: CBSE, ICSE

The ratio of boys to the number of girls in a school of 560 pupils is 5 : 3 . if 10 new boys are admitted , find how many new girls may be admitted so that the ratio of the number of boys to the number of girls may change to 3 : 2

ratio and proportion

Deepak Bora

Asked: July 15, 2020In: CBSE, ICSE

If the angles of a triangle are 2 :3 : 4 , find the angles.

Ratio and proportion

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