Question
In each of the following number series, one term is
missing. Find the missing term. 2, 6, 12, 20, ?, 42Solution
Pattern is multiplication of consecutive numbers: 1 x 2 = 2 2 x 3 = 6 3 x 4 = 12 4 x 5 = 20 5 x 6 = 30 6 x 7 = 42 Hence, the missing term is 30.
If βAβ means (Γ), βBβ means (Γ·), βCβ means (-), and βDβ means (+), then what is the value of the expression:
8 A 16 B 4 C 14...
If β#β means β-β, β@β means β+β, β$β means βΓ·β and β&β means βΓβ, then what is the value of the following expression?<...
Statements:
J > G = Y β₯ K = S; L < T = I β€ P β€ E = K
Conclusions:
I. G > T
II. T = G
If β@β means (-), β#β means (+), β%β means (Γ·), and β&β means (Γ), then what is the value of the expression:
9 & 4 # 8 % 2 @...
Rachit walks a distance of 5 Km towards North, then turns to his left and walks for 3 Km. He again turns left and walks for 5 Km. At this point he turns...
If '+' means '-', 'X' means '+', '-' means 'Γ·', and 'Γ·' means 'X', then what is the value of the following expression?
72 - 9 + 16 X 8 Γ· 4 X 1...
Select the correct combination of mathematical signs to replace the '@' signs and balance the given equation.
22 @ 6 @ 18 @ 17 @ 2
If β+β means βminusβ, βΓβ means βdivided byβ, βΓ·β means βplusβ, and β-β means then βmultiplied byβ
220 Γ 11 οΏ½...
If βAβ means (Γ·), βBβ means (Γ), βCβ means (+), and βDβ means (-), then ____ is the value of the expression.
25 A 5 B 8 D 6 C 4...
Select the correct combination of mathematical signs to replace the * signs and balance the given equation.
5 * 15 * 320 * 2 * 45 = 190
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