Question
When the digits, which are odd in the number
‘73289465’ are decreased by 2 and the remaining digits are increased by 1, then what is the sum of 5 th digit from the right end and 2nd digit from the left end of the new number arranged?Solution
5th digit from the right – 9 2nd digit from the left – 1 Sum = 9 + 1 = 10 7           3           2           8           9           4           6           5 5            1            3            9            7           5           7           3
If [8(x + y)3 – 27(x – y)3] ÷ (5y – x) = Ax2 + Bxy + Cy2, then the value of (A2 - 2B + 3C)...
If sin 28° = 15/17 , then tan 62° = ?
If a 2 Â + b 2 Â = 89 and a 2 Â - b 2 Â = 39, then find the value of a 3 Â - b 3 Â - 3...
The mean age of 30 students was calculated as 15 years. However, it was later discovered that one student's age was mistakenly entered as 15 years inste...
If
= 2 then find In a club of singers and dancers, 10% of the artists are absent on a particular day and 90% of the present artists are dancers. If 2,250 singers are pr...
Solve for x in the equation: 3(x + 2) + 2(2x - 5) = 5x + 9
Atul has Rs.500 with him. He invested 30% of the amount at 5% p.a. for 6 years and rest at 20% p.a. for 4 years. Find the sum of simple interests receiv...
- If p = 40 - q - r and pq + r(p + q) = 400, then find the value of (p² + q² + r²).
Relevant for Exams:
