গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮২৬১–১৮২৮০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- The average of the ages of a man and his daughter is 34 years. If the respective ratio of their ages four years from now is 14 : 5,what is daughter's present age ? MCQ
- Rahul is as much younger than Sagar as he is older than Purav. If the sum of the ages of Purav and Sagar is 66 years, and Sagar's age is 48 years, then what is the difference between Rahul and Purav's age? MCQ
- Ajit has a certain average for 9 innings. In the 10th innings, he scores 100 runs thereby increasing his average by 8 runs. His new average is: MCQ
- The average marks of four subjects is 120. If 33 was misread as 13 during the calculation, what will be the correct average? MCQ
- A man travels equal distances of his journey at 40, 30 and 15 km/h respectively. Find his average speed for whole journey. MCQ
- Average of 80 numbers are 42. When 5 more numbers are included, the average of 85 numbers become 45. Find the average of 5 numbers. MCQ
- The average age of A, B, C, D and E is 40 years. The average age of A and B is 35 years and the average of C and D is 42 years. Age of E is : MCQ
- Which among 21/2, 31/3, 41/4, 61/6 and 121/12 is largest? MCQ
- When we reverse the digits of the number 13, the increases by 18. How many other two digit numbers increases by 18 when their digits are reversed? MCQ
- The sum of four consecutive two-digit odd numbers, when divided by 10, become a perfect square. Which of the following can possibly be one of these four numbers? MCQ
- If A381 is divisible by 11, find the value of the smallest natural number A? MCQ
- Which of following can never be ending of a perfect square? MCQ
- What reminder of any perfect square is divided by 3? MCQ
- The last three-digits of the multiplication 123 × 321 will be MCQ
- How many pairs of natural numbers are there such that the difference of whose squares is 63? MCQ
- If x + y + z = 0, then x3 + y3 + z3 = ? MCQ
- Sum of two numbers is thrice their difference. Their ratio is : MCQ
- A number when divided by 729 given a remainder of 56. What will we get as remainder if the same number is divided by 27? MCQ
- The smallest number which must be subtracted from 8112 to make it exactly divisible by 99 is : MCQ
- The greatest number by which the product of three consecutive multiples of 3 is always divisible is : MCQ