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The maximum possible value of y=min(1/2-3x^3/4, 5x^2/5)? 0<x<1. This is from CAT 2015, detailed solution plz

Number analogy

56 : 41 : : 94 : _____
1) 49
2) 53
3) 60
4) 89

8 : 32 : : _____ : 108
1) 22
2) 24
3) 27
4) 29

9 : 162 : : 8 : _____
1) 96
2) 112
3) 128
4) 160

01 : 36 : : 02 : _____
1) 48
2) 49
3) 69
4) 70

12593 : 35291 : : 29684 : 46982 : : 72936 : ________
1) 62793
2) 92637
3) 69237
4) 62973

25 : 175 : : 32 : ______
1) 150
2) 170
3) 162
4) 160

850 : 863 : : 430 : ______
1) 437
2) 442
3) 435
4) 451

Hiiii drdo mts practice set

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