266: Match List-I with List-II and select the correct answer using the code given below the lists :
List I
(Finding/Invention/ Calculation)
A. Time Taken by the Earth to orbit the Sun
B. Calculation of the value of (pi)
C. Invention of the digit zero
D. The game of snakes and ladders
List II
(Ancient Indian Scholar)
1. Aryabhatta
2. Bhaskaracharya
3. Budhayana
4. Gyandev
(A) 2 4 1 3
(B) 1 3 2 4
(C) 1 4 2 3
(D) 2 3 1 4
267: A person travels 12 km due North, then 15 km due East, after that 15 km due West and then 15 km due South. How far is he from the starting points?
(A) 12 km
(B) 33 km
(C) 61 km
(D) 60 km
268: Who among the following bowlers have taken more than 500 wickts in Test Cricket ?
1. Wasim Akram
2. Richard Hadlee
3. Glenn McGrath
4. Courtney Walsh
Select the correct answer using the codes given below:
(A) 1, 2 and 3 only
(B) 1 and 2 only
(C) 3 and 4 only
(D) 1, 2, 3 and 4
269: Which one of the following non-metals is not a poor conductor of electricity?
(a) Bromine
(b) Sulphur
(c) Phosphorus
(d) Selenium
270: When ants bite, they inject
(a) glacial acetic acid
(b) methanol
(c) formic acid
(d) stearic acid