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T = 3/2 years; Since interest is compounded half-yearly, R = 4/2 = 2% p.a. and T = 2t years A = P [1+ (R/100) ]t ⇒ 26,530.20 = 25,000 [1+ (2/100) ]2t ⇒ (26530.20/25000) = (102/100) 2t ⇒ (132651/125000) = (102/100) 2t ⇒ (51/50) 3 = (51/50) 2t ⇒ 2t = 3 yrs ⇒ t = 3/2 years = 1 year and 6 months
If x 2 – 15x + 51 = 0, then determine the value of (x – 5) + {1/(x – 5)}.
√(92×8 ×52+700) = ?
{(21/20) + (20/21)}2 - {(21/20) - (20/21)}2 = ?
In a college, the proportion of boys to girls is 7:9, and the proportion of graduate students to postgraduate students is 4:5. Determine the total numbe...
The average of three numbers a, b and c is 2 more than c. The average of a and b is 48. If d is 10 less than c, then the average of c and d is:
If a3 + b3 = 6240 and a + b = 30, then find the value of {(a + b)2 – 3ab}
If 15a2 + 1 = 20a, then find the value of {(9a2 + 1)/25a2}
1/3 + 1/15 + 1/35 + 1/63 + 1/99 = ?
In a class of 70 students and 25 teachers, each student got gifts that were 20% of total number of students and each teacher got gifts that were 10% of ...
