Q 1 - Discover the expense of Rs 16000, 6% stock at 84.
Answer - B
Explanation
Cost of Rs 100 stock=Rs 84. Expense of Rs 16000 stock =Rs (84/100*16000) =Rs 13440.
Q 2 - Discover the expense of Rs 4500, 5% stock at 4 premiums.
Answer - A
Explanation
Cost of Rs 100 stock=Rs (100+4) +Rs104. Expense of Rs 4500 stock =Rs (104/100*4500) =Rs 4680.
Q 3 - Discover the expense of Rs 5000, 8% stock at 12 markdowns.
Answer - A
Explanation
Cost of Rs 100 stock =Rs (100-12) =Rs 88. Expense of Rs 5000 stock = Rs (88/100*5000) =Rs 4400
Q 4 - Discover the expense of Rs 16000, 6% stock at par, financier 1/4%.
Answer - B
Explanation
Cost of Rs 100 stock =Rs (100+1/4) =Rs 401/4. Expense of Rs 16000 stock =Rs (401/4*1/100*16000) =Rs 16040.
Q 5 - Discover the offering cost of Rs 8000, 5% stock at 4 rebates, financier 1/4%.
Answer - C
Explanation
S.P of Rs 100 stock = Rs {(100-4) - 1/4} =Rs (96-1/4) =Rs 95.75. S.P. of Rs 8000 stock = Rs (95.75/100*8000) =Rs 7660.
Q 6 - Discover the offering cost of Rs 6000, 6% stock at 5 premiums, business 1/4%.
Answer - A
Explanation
S.P. of Rs 100 stock =Rs {100+5-1/4} =Rs 104.75. S.P. of Rs 6000 stock=Rs (104.75/100*6000) =Rs 6285.
Q 7 - Locate the yearly wage from Rs 3500, 6% stock at 106.
Answer - D
Explanation
Annual wages from Rs 100 stock =Rs 6. Yearly wage from Rs 3500 stock =Rs (6/100*3500) =Rs 2100.
Q 8 - Locate the yearly wage by putting Rs 5500 in 8% stock at 110.
Answer - D
Explanation
By contributing Rs 110, yearly incomes=Rs 8. By contributing Rs 5500, yearly incomes= Rs (8/110*5500) =Rs 400.
Q 9 - Which is better investment: 15/2% stock at 105 or 13/2% stock at 94?
Answer - A
Explanation
Let the investment be Rs (105*94). CASE I. Wages from15/2 % stock at 105. On contributing Rs 105, income= Rs 15/2. On contributing Rs (105*94), incomes=Rs (15/2*1/105*105*94) = Rs 705. CASE II. Pay from 13/2 % stock at 94. On contributing Rs 94, pay = Rs 13/2. On contributing Rs (105*94), pay = Rs (13/2*1/94 *105*94) = Rs682.50 ∴ first investment is better.
Q 10 - Discover the expense of 96 offer of Rs 10 each at 3/4 rebate, financier being 1/4 for every offer.
Answer - B
Explanation
Cost of 1 offer =Rs (10-3/4+1/4) =Rs 19/2. Expense of 96 offer =Rs (19/2*96) =Rs 912.