The difference of the squares of two consecutive odd numbers is 84. What is the sum of the two numbers?
A. 40
B. 42
C. 45
D. 48
E. 44
সঠিক উত্তরঃ
B.
42
Explanation:
Related Questions (Any University/Year)
- Harun is three times us old as Tamim. In eight years, he will be twice as old as Tamim. How old was Harun 3 years ago?
- The length of each side of square A is increased by 100 percent to make square B. Again the length of each side of square B is increased by 50 percent to make square C. By what percent is the area of square C greater than the sum of the areas of square A and B?
- Present age of mother is 4 times the sum of the ages of her two daughters, After 5 years, mothers ages will be twice the sum of the ages of the two daughters, What is the present age of the mother?
- If Milly gives Tilly Tk. 60 , the money they have is in the ratio 2:1 however , If Tilly gives Mily TA. 10 the ratio is 1:3 How much money have Milly before they exchange any money?
- ৫০ জন ছাত্রের গড় CGPA ৪.৬০ এবং ৪০ জন ছাত্রের গড় CGPA ৪.৭২ । এই ৯০ জন ছাত্র ছাত্রীর গড় CGPA কত?
- Rabib has x more marbles than Rafi has. Together they have y marbles. Which of the following represents the number of marbles that Rafi has
- Alam can do a job in 3 hours. Bipu can do the same work in 20% lesser time but he charges 30% per hour more than Alam does. Alam works for 1 hour and the rest is completed by Bipu. If Alam receives 100 TK , how much did Bipu receive?
- একটি সোনার গহনার ওজন ১৬ গ্রাম। এতে সোনা ও তামার অনুপাত ৩ঃ ১। এতে কি পরিমাণ সোনা মেশালে ৪ঃ ১ হবে?
- A student multiplied a number by 3/5 instead of 5/3 , What is the percentage error in the calculation?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. The average of the ages of a man and his son is 35 years. After 10 years, the ratio of their ages will be 2:1. What is the son's present age in years?
- Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?
- 64 এর 75% এর এক-তৃতীয়াংশ সমান কত ?
- Rima bought four books that cost Tk. 6.00 each and two books that cost Tk. 3.00 each. What is the average cost of the six books?
- If (1/ x) + (5 / y )= 4/3 and x=3y then y=?
- Two planes leave the same airport at 1:00 pm. How many miles apart will they be at 3.00 pm if one travels directly north at 150 mph and other travels directly west at 200 mph?
- The ration of 1/4 to 3/5 is
- The length of a field i 1.5 times of it s width . If the width if this field is 20 meters. find out the cost of fencing the field at a cost of Tk. 5.0 per meter.
- (3 × 104)+(2 × 102)+(4 × 10)=
- The average mark obtain by 10 students was 6 and the average mark obtained by 6 students was 17. What was the average mark obtained by all 16 students ___.
- If y% of x is 29.Then x=?
- A company rents parking spaces at the rate of TK. 100 per week or TK. 300 per month. How much does a person save in a year (in tk) by renting by month rather than by week?
- যদি '+' মানে 'x','-' মানে '+', 'x' মানে '÷' এবং '÷' মানে '-' হয়, তাহলে মান নির্ণয় করুন; \(6-9+8\times3\div20=......\)
- P is a set of 5 consecutive integers whose average is 4. Q is a set of 7 consecutive integers whose average is 7. How many numbers of set Q are also members of set P?
- B and C are points on a straight line AD where AB=BC=CD. What percent of AC is AD?
- একটি ড্রয়ারে ২০টি মোজা আছে। ৬০% মোজা হলো লাল আর বাকিগুলো নীল। না দেখে ন্যূনতম কতগুলো মোজা ড্রয়ার থেকে তুললে দুটো নীল মোজা অবশ্যই উঠবে?
