The velocity-time graph of a body is given in figure. The maximum acceleration in ms-2 is The acc ibreofras 30-40sa 60+uch 20+--- ou 20 30 40 LETA (b) 3 (c) 2 (d) 1

The velocity-time graph of a body is given in. The maximum acceleration in ms^(-1) is . .

The velocity-time graph of a body is given in. The maximum acceleration in ms^(-1) is . .

The mean of 5 observations is 60, the mean of 10 observations is 30 and the mean of 15 observations is 20. The mean of all the 30 observations is (a)20quad (b) 25quad (c) 30 (d) 40

The length of the perimeter of a sector of a circle is 20 cm, the maximum area of the sector is a) 30cm^2 b) 20cm^2 c) 40cm^2 d) 25cm^2

Consider the graph given in figure . Which of the following options does not show instantaneous rate of reaction at 40 ? (a) (V_(5)-V_(2))/(50-30) (b) (V_(4)- V_(2))/(50-30) (c) (V_(3)- V_(2))/(40-30) (d) (V_(3)- V_(1))/(40-20)

2/3 of a number is less than the original number by 20. The number is (a)30 (b) 40 (c)50 (d) 60

Find the value of (a + b + c) - d , if the following are in proportion. a, 30, 40, 60