Select the combination of operators that when sequentially placed in the blanks of the given equation will complete the equation correctly.
8__7__ 6__ 3 = 19
Given: 8__7__ 6__ 3 = 19
Option (a): –, –, ×
8 – 7 − 6 × 3
= 8 – 7 – 18
= 8 – 25
= −17 (Incorrect)
Option (b): +, +, ×
8+7+6×3
=8+7+18
=15+18
=33(Incorrect)
Option (c): –, +, ×
8−7+6×3
=8−7+18
=1+18
=19(Correct)
Option (d): –, ÷, ×
8−7÷6×3
=8− 1.16 ×3
=8−3.48
=4.52 (Incorrect)
Thus, the correct combination is (c) –, +, ×.
English
100 Questions
100 Marks
90 Mins English English100 Questions100 Marks90 Mins English English40 Questions30 Marks25 Mins EnglishIf the two signs '+' and '÷' are interchanged, which of the following equations will be correct?
Select correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
56*7*2*4*12*8
If '×' means 'subtraction', '+' means 'division', '-' means 'addition' and '+' means 'multiplication', what will be the value of the following expression?
30 + [{(12 - 13) × (5 ÷ 2)} + (18 × 13)]
If ‘+’ means ‘subtraction’, ‘−’ means ‘multiplication’, ‘×’ means ‘division’ and ‘÷’ means ‘addition’, then what will come in place of the question mark (?) in the following equation?
64 × 8 + 6 − 6 ÷ 33 = ?
If + means −, − means ×, × means ÷ and ÷ means +, then what will come in place of the question mark (?) in the following equation?
75 × 5 + 11 − 2 ÷ 18 = ?
If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, then what will come in place of the question mark (?) in the following equation?
9 B 5 D 12 A 2 C 11 = ?
If 'A' stands for '÷', 'B' stands for '×', 'C' stands for '+' and 'D' stands for '–', then what will come in place of the question mark (?) in the following equation?
100 A 5 C 14 D 5 B 3 = ?
What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘×’ are interchanged, and ‘−’ and ‘÷’ are interchanged?
42 − 7 × 12 + 3 ÷ 13 = ?
What will come in the place of the question mark (?) in the following equation, if ‘÷’ and ‘−’ are interchanged and ‘×’ and ‘+’ are interchanged?
15 + 7 ÷ 7 × 48 − 2 + 23 × 4 = ?
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