Subject
Bank Exam
Topic
Dutch Bangla Bank Ltd, PO 2015
If a and b are both even numbers, which of the following COULD be odd integer?
If a and b are both even numbers, which of the following COULD be odd integer?
ক)
(a+1)2 + (b+1)2খ)
[(a+1)×(b+1)]-1গ)
(a+1)/(b+1)ঘ)
None of theseExplanation
if a is even, a+1 will be odd same way, b+1 will be odd too only Odd multiplied by odd generated an odd number. example 7*9 = 63Related questions
The sales price of an item including the sales tax is Tk. 616. The tax rate is 10%. If the shopkeeper made a profit of 12%, what was the cost price of the item in Tk?A company makes a profit of 6% on its first Tk. 10,000 of sales each day, and 5% on all sales in excess of Tk. 10,000 for that day. How many taka in profit will the company make in a day when sales are Tk. 60,000?Mr. X can do a job in 8 days and his son can do it in 12 days, How many days will it take them to complete the job if they work together?The ages of two persons differ by 16 years. 6 years ago, the elder one was 3 times as old as the younger one what is the present age of the older person in years?A widow received 1/3 of her husband’s estate, and each of her three sons received 1/3 of the balance. If the widow and one of her sons received a total of Tk. 360,000 from the estate, what was the worth of the estate in Tk?Half of the students of a school play football and one third of the rest play cricket. The remaining 300 students do not play either of the games. How many remaining students are there in the school?Two third of the faculty members of a department are female. Twelve of the male faculty members are unmarried, while 60% of them are married. What is the total number of faculty members in the department?The effective speed of a boat travelling downstream is 20 kmph, whereas it is 10 kmph upstream. What is the speed of the stream current in kmphr?