General intelligence & reasoning
- Six friends P, Q, R, S, T and U are of different heights. Q is taller than only T. R is taller than P but shorter than U. S is shorter than P. Who is the third tallest? Answer: B. P Answer: (B) P “Q is taller than only T”: T is the shortest and Q is second shortest. U > R > P > S fills the top four places. O... 1
- Among the girls of a class, Neha is 15th from the top and 20th from the bottom. The number of boys in the class is twice the number of girls. How many students are there in the class? Answer: A. 102 Answer: (A) 102 Girls = 15 + 20 − 1 = 34. Boys = 2 × 34 = 68. Total = 34 + 68 = 102. 1
- If ‘+’ means ‘−’, ‘−’ means ‘×’, ‘×’ means ‘÷’ and ‘÷’ means ‘+’, find the value of ? in:40 × 8 ÷ ? − 3 + 10 = 16 Answer: C. 7 Answer: (C) 7 After replacing the signs: 40 ÷ 8 + ? × 3 - 10 = 16 . 5 + 3 × ? − 10 = 16 → 3 × ? = 21 → ? = 7. 1
- Which two signs should be interchanged to make the following equation correct?16 + 5 − 2 ÷ 48 × 6 + 10 = 15 Answer: C. ÷ and × Answer: (C) ÷ and × Interchanging ÷ and × gives 16 + 5 - 2 × 48 ÷ 6 + 10 = 15 . By BODMAS the left side is 15, which equa... 1
- Select the correct combination of mathematical signs to replace the * signs (in order, from left to right) and balance the equation.48 * 6 * 4 * 15 * 3 * 11 = 26 Answer: D. ÷, ×, +, ÷, − Answer: (D) ÷, ×, +, ÷, − Put the signs ÷, ×, +, ÷, − in order: 48 ÷ 6 × 4 + 15 ÷ 3 - 11 . By BODMAS this equals 26... 1
- If the signs ‘+’ and ‘×’ are interchanged and the numbers 3 and 6 are interchanged, what will be the value of the following?6 + 9 × 3 − 12 ÷ 4 Answer: A. 30 Answer: (A) 30 Interchange the signs: 6 × 9 + 3 - 12 ÷ 4 . Interchange 3 and 6: 3 × 9 + 6 - 12 ÷ 4 . BODMAS: 27 + 6 − 3 = 30. 1
- If 5 $ 3 = 815, 7 $ 2 = 914 and 6 $ 4 = 1024, then what is the value of 8 $ 6? Answer: B. 1448 Answer: (B) 1448 5 $ 3: 5 + 3 = 8 and 5 × 3 = 15, written side by side: 815. Check 7 $ 2: 9 and 14 → 914; 6 $ 4: 10 and 24 →... 1
- If L stands for ‘÷’, M for ‘×’, P for ‘+’ and Q for ‘−’, which of the following equations is correct? Answer: B. 8 P 6 M 2 Q 4 L 2 = 18 Answer: (B) 8 P 6 M 2 Q 4 L 2 = 18 Replace the letters and evaluate each option by BODMAS. 8 + 6 × 2 - 4 ÷... 1
- If ‘+’ means ‘−’, ‘−’ means ‘+’, ‘×’ means ‘÷’ and ‘÷’ means ‘×’, then what is the value of the following?12 + 6 × 3 − 4 ÷ 2 = ? Answer: C. 18 Answer: (C) 18 After replacing the signs: 12 - 6 ÷ 3 + 4 × 2 By BODMAS (division and multiplication first, then addition and s... 1
- If A means ‘+’, B means ‘−’, C means ‘×’ and D means ‘÷’, then what is the value of the following?20 D 4 A 3 C 5 B 7 = ? Answer: A. 13 Answer: (A) 13 After replacing the signs: 20 ÷ 4 + 3 × 5 - 7 By BODMAS (division and multiplication first, then addition and s... 1
- If ‘×’ means ‘+’ and ‘+’ means ‘×’, then what is the value of the following?5 × 4 + 3 = ? Answer: D. 17 Answer: (D) 17 After replacing the signs: 5 + 4 × 3 By BODMAS (division and multiplication first, then addition and subtractio... 1
- If P means ‘×’, Q means ‘÷’, R means ‘+’ and S means ‘−’, then what is the value of the following?18 Q 3 P 4 R 6 S 5 = ? Answer: C. 25 Answer: (C) 25 After replacing the signs: 18 ÷ 3 × 4 + 6 - 5 By BODMAS (division and multiplication first, then addition and s... 1
- If ‘+’ means ‘÷’, ‘÷’ means ‘−’, ‘−’ means ‘×’ and ‘×’ means ‘+’, then what is the value of the following?36 + 6 ÷ 2 − 3 × 4 = ? Answer: A. 4 Answer: (A) 4 After replacing the signs: 36 ÷ 6 - 2 × 3 + 4 By BODMAS (division and multiplication first, then addition and sub... 1
- If @ means ‘+’, # means ‘−’, $ means ‘×’ and & means ‘÷’, then what is the value of the following?15 $ 2 # 24 & 6 @ 9 = ? Answer: A. 35 Answer: (A) 35 After replacing the signs: 15 × 2 - 24 ÷ 6 + 9 By BODMAS (division and multiplication first, then addition and... 1
- If ‘−’ means ‘+’ and ‘+’ means ‘−’, then what is the value of the following?25 − 10 + 5 = ? Answer: B. 30 Answer: (B) 30 After replacing the signs: 25 + 10 - 5 By BODMAS (division and multiplication first, then addition and subtract... 1
- Which two signs should be interchanged to make the following equation correct?20 − 3 × 10 + 6 ÷ 3 = 48 Answer: B. + and − Answer: (B) + and − Interchanging + and − gives 20 + 3 × 10 - 6 ÷ 3 = 48 . By BODMAS the left side is 48, which equals th... 1
- Which two signs should be interchanged to make the following equation correct?6 × 3 ÷ 12 − 3 + 6 = 20 Answer: D. ÷ and − Answer: (D) ÷ and − Interchanging ÷ and − gives 6 × 3 - 12 ÷ 3 + 6 = 20 . By BODMAS the left side is 20, which equals the... 1
- If the signs ‘÷’ and ‘−’ are interchanged and the numbers 4 and 8 are interchanged, what will be the value of the following?8 ÷ 4 − 2 + 6 × 3 Answer: B. 18 Answer: (B) 18 Interchange the signs: 8 - 4 ÷ 2 + 6 × 3 . Interchange 4 and 8: 4 - 8 ÷ 2 + 6 × 3 . BODMAS: 8 ÷ 2 = 4 and 6 × 3... 1
- Select the correct combination of mathematical signs to replace the * signs (in order, from left to right) and balance the equation.16 * 4 * 3 * 5 * 7 = 10 Answer: D. ÷, ×, +, − Answer: (D) ÷, ×, +, − Put the signs ÷, ×, +, − in order: 16 ÷ 4 × 3 + 5 - 7 . By BODMAS this equals 10, the right sid... 1
- If A means ‘÷’, B means ‘×’, C means ‘+’ and D means ‘−’, then what is the value of the following?144 A 12 B 3 C 15 D 9 = ? Answer: A. 42 Answer: (A) 42 After replacing the signs: 144 ÷ 12 × 3 + 15 - 9 By BODMAS (division and multiplication first, then addition an... 1
- If 7 ★ 3 = 40 and 5 ★ 2 = 21, then what is the value of 9 ★ 4? Answer: C. 65 Answer: (C) 65 7² - 3² = 49 - 9 = 40 and 5² - 2² = 25 - 4 = 21 . So a ★ b = a² - b² . 9 ★ 4 = 81 - 16 = 65 . 1
- If 3 ⊕ 4 = 19 and 5 ⊕ 2 = 17, then what is the value of 6 ⊕ 3? Answer: C. 27 Answer: (C) 27 3 × 4 + 3 + 4 = 19 and 5 × 2 + 5 + 2 = 17. So a ⊕ b = ab + a + b. 6 ⊕ 3 = 18 + 6 + 3 = 27. 1
- Select the correct combination of mathematical signs to replace the * signs (in order, from left to right) and balance the equation.9 * 6 * 3 * 4 * 2 = 15 Answer: D. +, ÷, ×, − Answer: (D) +, ÷, ×, − Put the signs +, ÷, ×, − in order: 9 + 6 ÷ 3 × 4 - 2 . By BODMAS this equals 15, the right side... 1
- Which two signs should be interchanged to make the following equation correct?36 − 12 ÷ 3 × 2 + 18 = 26 Answer: B. + and − Answer: (B) + and − Interchanging + and − gives 36 + 12 ÷ 3 × 2 - 18 = 26 . By BODMAS the left side is 26, which equals t... 1