`((856+167)^2+(856-167)^2)/(856xx856+167xx167)` =? (a) 1 (b) 2 (c) 689 (d) 1023

C(16,7)=

29.92xx2.4+21.28xx4.5=?( a) 167.568 (b) 167.658 (c) 176.56 (d) 176.658 (e) None of these

Three rational numbers between (1)/(5) and (1)/(6) are (4)/(25),(9)/(50),(17)/(100) (b) (4)/(25),(17)/(100),(167)/(1000)(c)(4)/(25),(9)/(50),(167)/(1000) (d) (9)/(50),(17)/(100),(167)/(1000)

The operating magnetic field for accelerating protons in a cyclotron oscillator having frequency of 12 MHz is (q= 1.6 xx 10^(-19) C, m_(p) = 1.67 xx 10^(-27) kg and 1 MeV = 1.6 xx 10^(-13J))

What is the value of ((2.247)^(3) + (1.730)^(3) + (1.023)^(3) -3xx 2.247xx 1.730xx 1.023)/((2.247)^(2) + (1.730)^(2) +(1.023)^(2)-2.247xx 1.730-1.730xx1.023-2.247xx 1.023) ?

The greatest number which divides 134 and 167 leaving 2 as remainder in each case is 14 (b) 19 (c) 33 (d) 17

Energy of a particle at absolute temperature T is of the order kT. Calculate the wavelength of thermal neutrons at 27^(@)C . Take mass of neutron = 1.67 xx 10^(-27)kg, h =6.6 xx 10^(-34)Js and k = 1.38 J " mol"^(-1)K^(-1) .

sin163^(@)cos347^(@)+sin73^(@)sin167^(@)=(A)0 (B) (1)/(2)(C)1(D) none of these