Math
মোট 1015 টি প্রশ্ন
- 541 Max goes to the gym every fourth day. Ellen’s exercise routine is to go every third day. Today is Monday and both Max and Ellen are at the gym. What will the day of the week be the next time they are both at the gym?
- 542 Rahima can row 16 km/hr in still water. It takes her thrice as long to row up as to row down the river. Find the difference between her speed in still water and that of the stream.
- 543 If the length of a rectangle is increased by 20% and width is decreased by 20% what is the change in area of the rectangle?
- 544 If x+y=9 and x/y=2, then x equals
- 545 In first 1000 natural numbers, how many integers exist such that they leave a remainder 4 when divided by 7 and a remainder 9 when divided by 11?
- 546 Melissa is four times as old as Jim. Pat is 5 years older than Melissa. If Jim is y years old, how old is Pat?
- 547 s={x e R:x একটি মৌলিক সংখ্যা সংখ্যা x2<64}x2<64} একটি সেট। নিচের কোনটি সঠিক?
- 548 If the length of a side of an equilateral triangle is 4 cm its height is –
- 549 If x=10, which of the following has the minimum value ?
- 550 In the figure, DE is parallel to BC. If the area of a triangle ADE is half that of trapezoid DECB, what is the ratio of AE to AC
- 551 Missing letter in series D H L R _____
- 552 secA + tanA = 5/2 হলে, secA – tanA = ?
- 553 If the length of each of the sides of three square garden’s plots is increased by 50 percent, by what percent is the sum of the areas of the three plots increased?
- 554 If x=y^a, y=z^b and z=x^c then the value of abc is
- 555 In the formula, which symbol specifics the fixed columns or rows?
- 556 Mr. Zahir bought a 1-year BDT 10,000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity?
- 557 Selling 12 pen at a price of Tk 10 yields a loss of a Selling 12 pen at a price of Tk 12 yields a profit of a%. What is the value of a?
- 558 If the length of rectangle A is one-half the length of rectangle B, and the width of rectangle A is o ne-half the width of rectangle B, what is the ratio of the area of rectangle A to the area of rectangle B?
- 559 If y/x=3/7 and x+2y=13 then y is
- 560 Jennifer flipped a coin three times and got heads each time. What is the probability that she gets heads on the next flip?
- 561 My successor’s father is my father’s son and I don’t have any brothers or sons. Who is my successor?
- 562 Shonghoti and Shouhardo Clubs consist of 200 and 270 members respectively. If the total member of the two clubs is 420 then how many members belong to both clubs?
- 563 If the length of rectangle A is one-half the length of rectangle B, and the width of rectangle A is one-half the width of rectangle B, what is the ratio of the area of rectangle A to the area of rectangle B?
- 564 In 10 years, A will be twice as old as B was 10 years ago. If A is now 9 years older than B, then the present age of B is
- 565 Kona deposited Tk. 505 into her savings account. If the interest rate of the account is 5% per year, how much interest will she have made after 4 years?
- 566 Next number: 3,6,4,9,5,12,6,__
- 567 Siddik has a new set of golf clubs. Using a club 8, 7 and 6 the ball travels an average distance of 1 00m, 108m, 114m respectively. How far will the ball go if he uses a club 5?
- 568 If the perimeter of a certain rectangle is 76m and its area is 360m”, then what is the length of its shortest side?
- 569 In a college, the ratio of foreign to local students is 3:7. If three-fourths of the local students are female and one-quarter of the foreign students are female, what fraction of the combined students is female?
- 570 Largest number ≤1000 divisible by 6,20,24
