If 5a + 1 = 5, the value of 9a2 + 1 is 3a 25a2

More Questions from Elementary Algebra

• If a, b, c are real and a3 + b3 + c3 = 3abc and a + b + c ≠ 0 , then the relation between a, b, c will be
• The line passing through the points (– 2, 8) and (5, 7)
• If the difference of two numbers is 3 and the difference of their squares is 39; then the larger number is:
• Let a = √6 - √5, b = √5 - 2, c = 2 - √3 Then point out the correct alternative among the four alternatives given below.
• If a2 + b2 + c2 = 2 (a – b – c) – 3, then the value of 2a – 3b + 4c is
• If the square of the sum of two numbers is equal to 4 times of their product. then the ratio of these numbers is:
• A man buys 3 cows and 18 goats in ₹ 47,200. Instead if he would have bought 8 cows and 3 goats, he had to pay ₹ 53,000 more. Cost of one cow is:
• In a two-digit number, the digit at the unit's place is 1 less than twice the digit at the ten's place. If the digits at unit's and ten's place are interchanged, the difference between the new and the original number is less than the original number by 20. The original number is
• The linear equation such that each point on its graph has an ordinate four times its abscissa is:
• A sum of Rs. 13.50 is made by 38 coins which are either 50 paise or 25 paise. Find the number of 25 paise coins?

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