Explanation:

সেন্ট মার্টিন দ্বীপ এর আরেকটি নাম কি? সঠিক উত্তর জিনজিরা সেন্টমার্টিন বাংলাদেশের কক্সবাজার জেলার অন্তর্গত টেকনাফ উপজেলার একটি ইউনিয়ন। এটি একটি বাংলাদেশের একমাত্র প্রবাল দ্বীপ এবং এটি বাংলাদেশের সর্ব - দক্ষিণের ইউনিয়ন। এ দ্বীপের অপর নাম নারিকেল জিঞ্জিরা।

Explanation:

If a coin is tossed once, what is the probability of getting a "HEAD" Correct Answer 0.5 A coin has two sides. So probability of  head / tell is ½ or 0.5

Explanation:

How much is .01 X 0.01 X 0.001 = ? Correct Answer 0.0000001 .01 X 0.01 X 0.001 =0.0000001

Explanation:

An employee is entitled to 20% of his basic pay as dearness Allowance (DA). If his basic pay is Tk. 6300, what is total pay. Correct Answer Tk. 7560 Total pay = 6300 + 20% of 6300 = 6300 + 1260 =  7560 TK

Explanation:

By investing Tk. 1,00,000 in six months, a man earns Tk. 1500 as profit as profit.What is the rate of interest earned? Correct Answer 3% We know,  interest, I = P n r Here,  n = 6/12 = 0.5 year Now,  I = P n r or,  1500 = 100000 × 0.5 × r or,  r = 1500 / (100000×0.5)×100% = 3%

Explanation:

A man pays 5% this annual income as tax. If he paid Tk. 600 as tax last year, what was his annual income? Correct Answer Tk. 12,000 Let the annual income be X. Then,  5% of X = 600 or,  5/100 of X = 600 So,  X = 600×100/5 = 12000 TK

Explanation:

A shopkeeper sells 5 mangoes at a price he bought 4 mangoes. What percentage (%) of loss or gain? Correct Answer 20% Let the price of 4 mangoes bought be X. Price per mango bought = X/4 Price per mango sold = X/5 Loss = (X/4 - X/5) / (X/4) × 100% = (X/20) / (X/4) ×100% = 20%

Explanation:

A clock slows down by one minute every 24 hours. how long will it take to slow down by one hour? Correct Answer 60 days 1 hour = 60 min 24 hour = 1 day Clock slows down by 1 min in 1 day So, clock slows down by 60 min in 60 days.

Explanation:

Which of the ratio is the largest? Correct Answer 7 : 11 3:7=0.425:9=0.557:11=0.638:12=0.66 this is largest