Answer: B) 2014 Explanation: If After p years , commodity X will cost 60 rupees more than the commodity Y, then 320 + 60p = 740 + 20p + 60=> p = 12 So in year (2002 + 12 = 2014), commodity X will cost Rs.60 more than the commodity Y.

Answer: B) 5 Explanation: A regular Pentagon have 5 sides and 5 lines of symmetry.  The number of lines of symmetry in a regular polygon is equal to the number of sides.

Answer: B) Rs. 16.30 Explanation: C.P. of 50 kg wheat = (30 * 11.50 + 20 * 14.25) = Rs. 630. S.P. of 50 kg wheat = 130% of Rs. 630 = 130/100 * 630 = Rs. 819. S.P. per kg = 819/50 = Rs. 16.38 = 16.30.

Answer: C) 437 Explanation: Except 437 all others are prime numbers.

Answer: D) Parliamentary and Presidential Explanation: There are two major forms of democratic government. I. ParliamentaryII. Presidential The citizens elect the leaders in democratic government. The main difference is legislative and executive branches. Executive - head of governmentLegislative - how laws are made   I. Parliamentary democratic government : (example - United Kingdom ) 1. Parliament = Legislature (Laws)2. Parliament controls the power3. Head of government is a prime minister chosen by the legislature4. Prime minister and cabinet are members of the legislature5. Prime minister answers to the legislature (fusion of powers)6. The government will stay in office for a specified period unless the prime minister loses support of the majority on an important vote.7. If this occurs- the P.M. must resign and elections are held immediately.   II. Presidential democratic government : (example - United States of America) 1. The executive and legislative branches are separate bodies elected independently by the citizens.2. Separation of Powers3. There are checks and balances where each branch can overrule the other.4. The president answers to the voters, not the legislature.5. The people elect the president, and elections are held at set intervals.

Answer: D) 100 Explanation: 9 tens 10 ones equals => 9 x 10 + 10 x 1 => 90 + 10 => 100.

Answer: A) 90 Explanation: Let the least value of the prize = Rs. x Then the next value of the prize is x+30 , x+60, x+90, ....x+240. Given total amount of cash prizes = Rs.1890 --> x + (x+30) + (x+60) + (x+90) + ....+ (x+240) = 1890 --> 9x + (30 + 60 + 90 + 120 + 150 + 180 + 210 + 240) = 1890 --> 9x + 30(1 + 2 + 3 + 4....+ 8) = 1890 --> 9x + 30(36) = 1890 --> 9x = 810 --> x=90 Hence the least value of the prize x=90

Answer: B) 720 Explanation: Let last digit is 2when second last digit is 4 remaining 4 digits can be filled in 120 ways, similarly second last digit is 6 remained 4 digits can be filled in 120 ways.so for last digit = 2, total numbers=240   Similarly for 4 and 6When last digit = 4, total no. of ways =240and last digit = 6, total no. of ways =240so total of 720 even numbers are possible.