4376: Gypsum is added to cement clinker to
(a) Increase the tensile strength of the cement
(b) Bind the particles of calcium silicate
(c) Decrease the rate of setting of cement
(d) Facilitate the formation of colloidal gel
4377: In how many maximum different ways can 3 identical balls be placed in the 12 squares (each ball to be placed in the exact centre of the squares and only one ball is to be placed in one square) shown in the figure given below such that they do not lie along the same straight line?
(a) 144
(b) 200
(c) 204
(d) 216
4378: Each of 2 women and 3 men is to occupy one chair out of 8 chairs, each of which is numbered from 1 to 8. First, women are to occupy any two chairs from those numbered 1 to 4; and then 3 men would occupy any three chairs out of the remaining 6 chairs. What is the maximum number of different ways in which this can be done ?
(a) 40
(b) 132
(c) 1440
(d) 3660
4379: The range of Agni-II missile is around
(a) 500 km
(b) 2000 km
(c) 3500 km
(d) 5000 km
4380: The location of the space organisation units have been marked in the given map as 1, 2, 3 and 4. Match these units with the list given and select the correct answer using the codes given below the Lists :
A. ISRO
B. IIRS
C. NRSA
D. SAC
Codes:
(a) Calicut
(b) Broach
(c) Cambay
(d) Surat