Practice Addition & subtraction Questions and Answers
- The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 is:
- If × stands for addition, ÷ stands for subtraction. + stands for multiplication and ̶ stands for division, then what is the val...
- Vishnu travelled equal distances at speeds of 10 km/hr., 30 km/hr., and 8 km/hr., and took a total of 15.5 minutes to complete. Find the total distance he ...
- Ehsaan is twice as good a worker as Kamal and together they finish a piece of work in 29 days. In how many days will Kamal, working alone, finish the...
- Compute: 1112 ÷ 139 ̶ 5
- What is the value of `(0.55xx4.5)/(0.81) ?`
- Simplify: (2x)²-(2y)²-(4x)²
- If sin x = 4/5, then Cosecx + Cot X =
- There are total 200 students in a school, of which 1/5 are boys. Find the number of girls in the school.
- If the sum of the digits of a three digit number is subtracted from that number, then it will always be divisible by
- (0.04)5 × (0.2)4 ÷ (0.008)2 = (0.2)?
- The number of five–digit telephone numbers having at least one of their digits repeated is
- A sum of Rs.8200 is to be divided among 6 brothers, 5 sisters and 2 aunts. If each sister receives thrice as much as each aunt and each brother receives fo...
- A sum of Rs. 663 is divided among X, Y and Z such that X gets Rs. 156 more than Y. Y gets Rs. 78 more than Z. Find the share of Z?
- Monthly savings of X is 60% of his monthly income which is Rs. 7500. If ratio of monthly expenditure of Y and X is 15:8 respectively and monthly savings of...
- In a lottery, there are 11 prizes and 30 blanks. A lottery is drawn at random. What is the probability of getting a prize?
- The value of i ∙ (j × k) + j∙ (i× k)+ k∙ (i × j) =
- The value of λ for which the 2 vectors 2i – j + 2k and 3i + λ j + k are perpendicular is
- ₹ 27,600 is distributed among Thomas, David and Vijay in such a manner that 1/7 of the share of Thomas, 1/3 rd of the share of David and 1/2 of the share...
- The following chart gives the expenditure incurred by a publisher to bring out a book Find the percentage of the total expenditure incurred for printing....
- ₹ 1,800 is divided among Nitin, Tushar and Gitanjali. The share of Gitanjali is 5/4 of the sum of the shares of Nitin and Tushar. What is the share of Gi...
- The average of first nine prime numbers is ...
- Select the correct set of symbols which will fit in the given equation. 5 0 3 5 = 20
- Sam ranked ninth from the top and thirty – eighth from the bottom in a class. How many students are there in the class?
- Evaluate
- Consider a two-digit number where the ratio of the unit digit to the tens digit is 2:3. If the total of these digits equals 15, what is the product of the ...
- Two numbers P and Q are in the ratio 5:8. If X is added to the smaller number and 12 is subtracted from the larger number, the new ratio of P and Q becomes...
- The efficiency of a woman is 33.33% less than that of a man, whose efficiency is three times that of a child. If 2 children, 3 women, and 4 men together ca...
- In a mixture 'P', 5 liters of water are replaced with honey, resulting in the mixture containing 55% honey. If the original mixture 'P' consisted of 50% wa...
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