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Hiiii drdo mts practice set

hindi test kaise de

1 2 3
3 3 7
5 5 4
7 8 1
16 24 ?
find missing number?

81: 63:: 74:?

81: 63:: 74:?

The marks obtained by Alan in Mathematics, Eng lish and Biology are respectively 90 out of 100, 70 out of 150 and 150 out of 200. Find his average score in percent

(a) 87.83 (c) 76.33

(b) 68.88 (d) 77.33

The answer given is (90+70+150)/(100+150+200)=68.88%
Why can't the answer be (90/100+70/150+150/200)/3=70.05 %

In the triangle PQR, S is the midpoint of QR. X
is any point on PR. T is the point on QR such
that PT||SX. If the area of triangle PQR is
6.4sq. cm, then the area of triangle RTX is

If bome is written by 1041 then lion is?

A mixture of 40 litres of milk & water contains 10% water. How much water should be added to it to increase water to 25%.

A trader sells rice to a customer at a profit of x% over the cost price, besides if he cheats his customer by giving 950gm instead of 1kg. Thus his overall percentage is 20%. Then what is the value of x?