Evaluate: limx→π2 f(x)6x+sinxcosx A. 6 B. -6 C. 0 D. Undefined
If y=sin x, from the first principle, Δy = _____ A. cos x B. cos 2x+ ∆x2 C. 2sin ∆x2 cos 2x+ ∆x2 D. none of these
Evaluate: limx→∞fx6x2-4x-53x3-5x2 A. 12 B. 2 C. 0 D. ∞
Determine the distance between the point of intersection of the lines 2x+3y-1=0 and x-2y+3=0 and the origin A. 32 units B. 22 units C. 2 units D. 2 units
Find the value of x + y respectively. If 1 0-1-1 2 2 + x 1-1 0 y-2 = -2 1-2-1-3 0 A. -5 B. -8 C. -7 D. -6
A woman bought a grinder for ₦60,000. She sold it at a loss of 15%. How much did she sell it? A. ₦53,000 B. ₦52,000 C. ₦51,000 D. ₦50,000
A = x-22xx-2 if A is a singular matrix, find x. A. (0, -6) B. (0, -2) C. (0, 6) D. (0, 2)
A∪A' = ________ ? A. ∅ B. A C. U D. A-A'
How many years will it take a particular sum of money to amount to twice itself at a rate of 813% per month A. 12 B. 6 C. 4 D. 1
Find the distance between the two points A (x+2, 3) and B (x-1, -1) A. 17 units B. 5units C. 5 units D. 17 units
Given that: log3x+ logx3=212. Find (x2-1). A. 8 B. 2 C. 3 D. 15
If 2x-1 + x+3 = x-4. Find x. A. 1 B. 6 C. 10 D. 13
In a class of 4boys and 5girls, a committee of 2boys and 3girls is to be formed. In how many ways can this be done if ₦two particular girls must be selected. A. 12 B. 18 C. 30 D. 48
If y=4x2, from the first principle, ∆y is A. 4x+∆x2 B. 8x+4∆x C. 4x2+8x∆x+4∆x2 D. 8x∆x+4∆x2
Simplify: 2y-1+2y+2-2y2y-2-2y-1+2y+1 A. 12 B. 2y C. 2 D. 4
Find the compound interest on ₦600 in 2years at 1% per annum A. ₦11.06 B. ₦12.06 C. ₦13.06 D. ₦14.06
In a class containing 32 students, a student can either do Government or History or both. If 16 students do Government, 18 do History and 3 do none of the subject. How many did both? A. 6 B. 5 C. 4 D. 3
Evaluate tan22.5 in surd form A. 1-2 B. 1+2 C. 2 -1 D. none of these
Given that f-1x = x-32x+1. Find f2 A. -15 B. -52 C. -53 D. 52
If cos2θ=sin3θ. Find the value of θ A. π20 B. π15 C. π10 D. π5
Given that tanA=34. Evaluate sin2A A. 1225 B. 65 C. -1225 D. 2425
If 134x=54eight. Find x A. 8 B.7 C. 6 D. 5
Convert 538 to a binary number A. 101.0112 B. 101.1012 C. 101.1112 D. 111.0112 E. none of the above.
How many 4-digit odd numbers less than 500 can be formed from 0,1,4,5 and 3. A. 120 B. 48 C. 24 D. 60
If fx=x-2 and gx=x+42-x. Evaluate g(f-12) A. 2 B. -4 C. 6 D. -2
Given that y=3x, from the first principle, find: ∆y A. -3xx(x+∆x) B. -3∆xx(x+∆x) C. 3x-2x(x+∆x) D. -3x+3∆xx(x+∆x)
In a certain year, a new bed cost ₦35,000. If the rate of inflation was 20% for the next two years, what would be the same bed cost at the end of this period? A. ₦50,400 B. ₦54,000 C. ₦49,000 D. ₦50,200
Given that θ is an acute angle and sinθ=mn, find cotθ A. B. mn2-m2 C. D. nn2-m2
An item was marked ₦5,500 VAT inclusive. If the rate of VAT is 10%. How much VAT does the Government receives? A. ₦550 B. ₦500 C. ₦450 D. ₦400
A trader bought x oranges at ₦10 each. If 10 got spoilt during transportation and the rest were sold at ₦15 each. If her percentage loss is 25%. How many oranges were bought? A. 10 B. 15 C. 20 D. 25
